Automatic estimation system for packaging bags (opp and cpp bags)

Abstract

To provide a system that quickly displays prices with easy operation and streamlines estimation-related tasks.SOLUTION: An automatic estimation system includes: specification input means for specifying specifications of a packaging bag; quantity input means for specifying the order quantity; price calculation means for calculating the price based on specified information; and estimate output means for outputting information including the price as an estimate. The specification input means specifies the type of material, thickness and dimensions of the packaging bag, and presence or absence of a header, a lid and tape, gravure printing, and air holes. If the header, lid and tape, or gravure printing is "present," corresponding details information is further specified. The specification input means and the quantity input means have interfaces in the form of radio buttons, text input fields, or sliders.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to an automatic quotation system for packaging bags using OPP bags and CPP bags. [Background technology]

[0002] In business activities, products are often stored in packaging bags when they are stored, displayed, distributed, etc. The size, shape, material, and printed content of the packaging must be selected appropriately to suit the intended item. For example, when visibility of the contents is required, OPP (biaxially oriented polypropylene) is a preferred material due to its high transparency. On the other hand, when heavy items are to be stored, CPP (non-oriented polypropylene) is preferred due to its tear resistance.

[0003] Today, much of business transactions are conducted over the Internet, and packaging bags are no exception. When a buyer orders packaging bags through a website, they specify various parameters such as size, shape, material, and printing content on the package, check prices, and make a decision. In this case, a large number of options must be specified, especially when the bag is customized by processing or printing content. Suppliers must quickly determine prices based on the specified parameters and present them to the buyer.

[0004] Patent Document 1 discloses a cost estimation system that calculates an estimate based on information specifying the materials and processing steps required for manufacturing. However, there is still room for improvement in terms of optimizing the information acquired according to product characteristics, quickly presenting prices with easy operation, and streamlining the work related to estimates. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2008-90660 Summary of the Invention [Problem to be solved by the invention]

[0006] When quoting for packaging bags, it is necessary to determine not only the quantity to be ordered but also multiple options to determine the specifications. For example, the type of material, thickness of the packaging bag, dimensions of the packaging bag, whether or not it has a header, a lid and tape, gravure printing, and whether or not it has air holes. Since the price fluctuates depending on the specified details, it is necessary for the purchaser to be presented with prices in real time so that they can make a decision quickly.

[0007] There are cases where a purchase decision is not made immediately based on the presented price. For example, if the specifications of the product to be stored have not yet been finalized, a quote may be obtained based on provisional conditions, and the product may be purchased once the specifications have been finalized. In such cases, if the existing quote conditions can be easily reproduced, it is easier than re-specifying multiple parameters individually.

[0008] The present invention aims to provide a system that optimizes the information acquired in accordance with product characteristics, promptly presents prices through easy operation, and improves the efficiency of quotation-related work. [Means for solving the problem]

[0009] In one embodiment of the present invention, An automatic quotation system for packaging bags, A specification input means for specifying the specifications of the packaging bag; A quantity input means for specifying the order quantity; a price calculation means for calculating a price based on the information specified by the specification input means and the information specified by the quantity input means; an estimate output means for outputting information including the price calculated by the price calculation means as an estimate in a predetermined format; The type of material, the thickness of the packaging bag, the length and width of the packaging bag, the presence or absence of a header, the presence or absence of a lid and tape, the presence or absence of gravure printing, and the presence or absence of air hole processing are designated by the specification input means; When the header, the lid and tape, or the gravure printing is designated as "yes", the specification input means further designates corresponding header details information, lid and tape details information, or gravure printing details information; The automatic quotation system is provided in which the specification input means and the quantity input means have an interface in the form of any one of radio buttons, text input fields, and sliders.

[0010] In another embodiment of the present invention, In the specification input means, If the header is set to "None", the input method for header details will not be displayed. If the lid and tape are specified as "none", the input means for the lid and tape details will not be displayed, If gravure printing is specified as "none", the input method for gravure printing details is not displayed. The above-mentioned automatic quotation system is provided.

[0011] In yet another embodiment of the present invention, a price display means for displaying the price calculated by the price calculation means; When the specification information is updated by the specification input means or the quantity input means, the price calculation means calculates a new price and the price display means updates the displayed content.

[0012] In yet another embodiment of the present invention, The above automatic quotation system is provided, in which the quotation output means assigns an quotation number to the quotation, and when the quotation number is input, outputs the quotation corresponding to the quotation number.

[0013] In yet another embodiment of the present invention, A control program for an automatic quotation system for packaging bags, A specification input means for specifying the specifications of the packaging bag; A quantity input means for specifying the order quantity; a price calculation means for calculating a price based on the information specified by the specification input means and the information specified by the quantity input means; an estimate output means for outputting information including the price calculated by the price calculation means as an estimate in a predetermined format; The type of material, the thickness of the packaging bag, the length and width of the packaging bag, the presence or absence of a header, the presence or absence of a lid and tape, the presence or absence of gravure printing, and the presence or absence of air hole processing are designated by the specification input means; When the header, the lid and tape, or the gravure printing is designated as "yes", the specification input means further designates corresponding header details information, lid and tape details information, or gravure printing details information; A control program for an automatic quotation system is provided in which the specification input means and the quantity input means have an interface in the form of any one of radio buttons, text input fields, and sliders. [Effects of the Invention]

[0014] According to the present invention, a purchaser can specify product conditions through simple operations and check the price corresponding to the conditions in real time. This allows for quick purchase decisions. Meanwhile, suppliers can streamline their quotation and order processing operations, making them accurate and quick. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a schematic diagram showing an automatic quotation system of the present invention. [Figure 2] 1 is a block diagram showing an exemplary hardware configuration of an information processing device used in the present invention; [Figure 3] FIG. 2 is a diagram showing the process of transmitting, receiving, and processing information in the automatic quotation system of the present invention. [Figure 4]10 is an exemplary quotation screen displayed on a user terminal in the automatic quotation system of the present invention. [Figure 5] FIG. 10 is a diagram showing a state in which a means for inputting detailed information is displayed on the estimate screen of the automatic estimate system of the present invention. [Figure 6] 10 is a diagram showing an example of calculation of an estimated price in the automatic quotation system of the present invention. [Figure 7] FIG. 2 is a diagram showing a process for outputting an estimate in the automatic estimate system of the present invention. [Figure 8] FIG. 2 is a diagram showing an exemplary quotation output by the automated quotation system of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0016] The present invention will be described in detail with reference to the drawings. However, the present invention is defined by the claims, and the embodiments described herein are not intended to unduly limit the present invention. For example, although the packaging bags to be quoted are described using OPP bags as an example, the packaging bags related to the present invention are not limited to OPP bags. Other packaging bags to which the present invention can be applied include CPP (non-oriented polypropylene) bags, IPP (expanded polypropylene) bags, and bags and envelopes made of other resins and paper.

[0017] <System configuration> 1 is a schematic diagram showing the automatic quotation system of the present invention. Various information related to packaging bags is stored in an information database 101. Specifically, the information stored includes the types of materials that can be selected, the cost per unit volume of each material, the upper and lower limits of the selectable dimensions, the types of processing that can be selected, the processing fees required for each processing, and other information related to price determination, such as discount information and consumption tax rates.

[0018] Information for outputting a quotation is stored in the quotation database 102. Specifically, information related to the date and time when the quotation information was generated, information related to the purchaser, information related to the specified product, information related to the quoted price, information related to the supplier, and a format for outputting the quotation in a predetermined format are stored.

[0019] The information providing database 101 and the estimate database 102 are connected to the information providing server 103, and are capable of sending and receiving information. The connection may be via wired or wireless communication such as the Internet or an intranet. In another embodiment, the information providing server 103 may have a database function and may incorporate all or part of the information providing database 101 and the estimate database 102.

[0020] The information providing server 103 generates product information and estimate information and provides the generated information in response to an information request from the user terminal 104. The information providing server 103 and the user terminal 104 can send and receive information as needed via the Internet. The user terminal 104 refers to, for example, a communication device such as a PC (personal computer), smartphone, or tablet owned by an individual or corporation that may be a purchaser.

[0021] The information providing server 103 executes a computer program to send and receive information to and from the information providing database 101, the estimate database 102, or the user terminal 104, and processes the information required for that purpose. This program includes a specification input means 105, a quantity input means 106, a price calculation means 107, and an estimate output means 109. This program may further include a price display means 108.

[0022] 2 shows an exemplary hardware configuration of an information processing device that can be used as the information providing server 103 or the user terminal 104. The information processing device includes a CPU (Central Processing Unit) 201, an input device 202, a main memory device 203, an output device 204, an auxiliary memory device 205, a clock device 206, and a communication device 209.

[0023] The CPU 201 is also called a central processing unit, and includes a control unit 207 that sends instructions to each device in the system and controls their operation, and an arithmetic unit 208 that performs arithmetic processing of digital data.

[0024] The CPU 201 functions as each means of the present invention in cooperation with a program stored in the main storage device 203 or the auxiliary storage device 205. Furthermore, the CPU 201 functions as a storage means for storing information in the main storage device 203 or the auxiliary storage device 205, and an update means for updating the information stored therein.

[0025] The control device 207 reads data input from the input device 202 or procedures (e.g., programs or software) previously stored in the main memory device 203, according to the timing of the clock generated by the clock device 206. The input data and the read contents are transmitted to internal devices such as the main memory device 203, the output device 204, and the auxiliary memory device 205, as well as to external devices, under the control of the arithmetic device 208.

[0026] The input device 202 is a device for inputting various data, and examples thereof include a keyboard, a mouse, a pointing device, a touch panel, a touch pad, a CCD camera, and a reader for various storage media.

[0027] The main memory device 203 is a device generally called a memory, and refers to an addressable storage space used to execute instructions in a processing unit and internal storage device. The main memory device 203 is mainly composed of semiconductor memory elements, and stores and holds input programs and data. In addition, in accordance with instructions from the control unit 207, this stored and held data is read, for example, into a register. Examples of semiconductor memory elements that make up the main memory device 203 include RAM (Random Access Memory) and ROM (Read Only Memory).

[0028] The output device 204 is a device for outputting the calculation results of the calculation device 208, and corresponds to, for example, a display device for a PC, a display screen provided on a smartphone or tablet, a printing device such as a printer, an audio output device, etc.

[0029] The auxiliary storage device 205 is a device for supplementing the storage capacity of the main storage device 203, and corresponds to a data storage device such as a magnetic disk device, an optical disk device, a semiconductor disk device, etc. The auxiliary storage device 205 functions as a storage means for storing data for constructing various databases.

[0030] The communication device 209 is a device for communicating with external devices, and performs appropriate data transmission and reception, digital-to-analog conversion, etc. depending on the network to which it is connected. Here, the above devices are interconnected by an address bus or a data bus.

[0031] <Information processing process for price calculation> The information transmission, reception, and processing process in the automated quotation system of the present invention is shown in FIG. 3. In step 301, the user terminal 104 transmits a request for a quotation screen for a specific product to the information providing server 103. This step is executed, for example, by the purchaser accessing a specific web page using the user terminal 104. In step 302, the information providing server 103 transmits a request for product information for the product to the information providing database 101. In step 303, the information providing server 103 acquires product information for the product. Examples of product information include the types of selectable materials, the cost per unit volume of each material, the upper and lower limits of selectable dimensions, the types of selectable processing, the processing fees required for each processing, and other information related to price determination, such as discount information and consumption tax rates. The information providing server 103 constructs quotation screen information based on the acquired product information and transmits it to the user terminal 104 in step 304.

[0032] An example of the quotation screen displayed on the user terminal after receiving the information provided in step 304 is shown in FIG. 4. On this quotation screen, the purchaser specifies the specifications and order quantity of the packaging bag. When a new quotation screen is displayed, predetermined initial values ​​may be entered. In this case, the processes of steps 305 to 307 are automatically performed before the purchaser performs any operation on the user terminal 104.

[0033] Radio buttons, text input fields, and sliders can be used to specify specifications and quantities, which function as specification input means 105 or quantity input means 106 on the estimate screen.

[0034] Radio buttons are an input format that allows users to select one of several options by clicking a mouse or tapping a touch panel in a specified area. Multiple options cannot be selected at the same time, and when a new option is selected, the previous selection is invalidated. By using radio buttons, users can input information with fewer operations and without errors.

[0035] A text input field is an input format that allows information to be entered via a keyboard or the like. For example, if a user selects the text input field and enters "100," the numerical value "100" is sent. The text input field may be configured to disable input other than numerical values. Also, if a numerical value outside a specified range is entered, the value may be rewritten to the nearest upper or lower limit. By using a text input field, the user can easily specify a fixed input value.

[0036] A slider is an input format that allows users to select a position within a specified range by dragging a knob. For example, with a slider that scrolls left and right, moving the knob to the far right selects the upper limit, and moving it to the far left specifies the lower limit. By using a slider, users can specify input values ​​using an input device such as a mouse. It also makes it easy to consider conditions while changing quantities.

[0037] A plurality of radio buttons, text input fields, and sliders may be provided for the same selection item. For example, a text input field and a slider may both be provided as input means for specifying the horizontal dimension. In this case, when one of them is entered, the other is automatically displayed as the corresponding value.

[0038] In response to the purchaser's designation of the specifications and order quantity of the packaging bag, the information providing server 103 acquires the designation information of the specifications and quantity of the packaging bag in step 305. In step 306, the information providing server 103 calculates an estimated price using the price calculation means 107.

[0039] In step 307, the information providing server 103 transmits the calculated estimated price to the user terminal 104. As a result, the price is displayed in the price display means 108 on the estimate screen of the user terminal 104. Preferably, steps 305 to 307 are automatically executed whenever the purchaser changes the specifications or order quantity of the packaging bag. Therefore, every time the purchaser changes the specifications or quantity, a new price is automatically calculated and the estimated price is updated in real time.

[0040] <Details of specification input method> 4, in the automatic quotation system of the present invention, the type of material, thickness, horizontal and vertical dimensions of the packaging bag, presence or absence of a header, presence or absence of a lid and tape, presence or absence of gravure printing, and presence or absence of air hole processing are specified by the specification input means. If the input values ​​for presence or absence of a header, presence or absence of a lid and tape, and presence or absence of gravure printing are "present," the specification input means further specifies detailed information for the items.

[0041] If the header is "yes," the header details information must specify, for example, the header type, header length, lid length, tape position, and tape type. The header here refers to the non-container section at one end of the bag, which is often used for hanging on a hook using a hole in the header when displaying the product. The lid here refers to the part that is folded over to seal the open end of the bag. The tape here refers to the adhesive or sticky section that attaches the folded lid to the bag body. The tape can be attached to either the bag body or the lid. Tape types include those that increase adhesive strength over time and those that can be repeatedly peeled off and stuck on.

[0042] If the presence / absence of lid and tape is "present," then the lid and tape details information must specify, for example, the length of the lid, the tape position, and the tape type. The lid and tape are as described above.

[0043] If gravure printing is "yes," gravure printing details, such as the number of colors and whether or not repeat printing is required, must be specified. Repeat printing "yes" means that gravure printing plates do not need to be produced.

[0044] If the input value for whether or not there is a header, whether or not there is a lid and tape, and whether or not there is gravure printing is "none," the corresponding detailed information input means may be hidden. In this case, when a designation is made to change any of the input values ​​to "yes," processing is performed to display the detailed information input means for the corresponding item. Similarly, when a designation is made to change any of the input values ​​to "none," processing is performed to hide the detailed information input means for the corresponding item.

[0045] Figure 4 shows an example where the header, lid and tape, and gravure printing are all "absent." Figure 5 shows an example where the lid and tape are "present." The input means for lid and tape details, which was not displayed in Figure 4, is now displayed.

[0046] When the input value of the detailed information is changed from "none" to "yes," a predetermined initial value may be input.

[0047] <Example of calculation for price calculation> Here, the processing performed by the price calculation means 107 in step 306 will be described in detail. As an example, the following describes the case where 5,000 packaging bags are manufactured using OPP film, each measuring 30 μm thick, 225 mm wide, and 310 mm long, with a 40 mm lid. However, please note that the following description is merely an example, and the calculation formula, cost price, and processing fee values ​​may be changed.

[0048] The price per packaging bag can be calculated as the sum of the cost of the bag's raw materials, various processing fees, the cost of the tape used for the lid, printing fees, and plate-making fees, for example. The cost of raw materials is determined by the type of material, the cost per unit volume, and the amount of material used (volume). The cutting fee, which is part of the processing fee, is calculated by multiplying the total dimensions of the packaging bag, including the lid and header, by the processing fee unit price. The cost of tape is calculated by multiplying the length of the tape used, i.e., the horizontal length of the packaging bag, by the tape cost according to the tape type and length. In addition, depending on the specifications, printing processing fees, hole-punching fees, and plate-making fees may be required.

[0049] In a specific example of the calculation, the height of the OPP film is 660 mm and the thickness is 1 cm 3 The cost per meter is 0.4 yen. The cutting processing fee is 1.3 yen per meter. The cost of tape is 2.5 yen per meter.

[0050] The horizontal dimension of the bag body matches the length specified in the specifications, but the vertical dimension is calculated as the height of the original roll, including the unnecessary portion to be cut off. Therefore, the volume of raw material used is the product of the thickness of the packaging bag, the horizontal length, and the height of the original roll. Therefore, the cost of raw material for the bag body is calculated as follows: Cost per unit volume x Thickness x Horizontal length x Height of original roll = 0.4 (yen / cm 3 ) × 30 (μm) × 225 (mm) × 660 (mm) ≒ 1.78 (yen).

[0051] The cutting processing cost is (width x length x lid width) x processing cost unit price = (225 (mm) + 310 (mm) + 40 (mm)) x 1.3 (yen / m) ≒ 0.75 (yen).

[0052] The cost of the tape is calculated as follows: tape cost x width = 2.5 (yen / m) x 225 (mm) ≒ 0.56 (yen).

[0053] From the above, the price of one bag is calculated as follows: raw material cost of the bag itself + processing fee + tape cost = 1.78 + 0.75 + 0.56 = 3.09 (yen). Since the order quantity is 5,000 bags, the estimated price in this case is 3.09 x 5,000 = 15,450 (yen). This value is displayed on the price display means 108.

[0054] <Information processing process for estimates> FIG. 7 shows the process for outputting a written estimate after the estimated price is calculated in step 307. In step 701, the information providing server 103 receives a request for outputting a written estimate from the user terminal 104. This step can be executed, for example, by clicking or tapping the "Issue Estimate" button on the estimate screen. At this time, a text input field may be provided adjacent to the "Issue Estimate" button, allowing the user to enter information about the purchaser, such as the purchaser's name. Note that at this point, the information specifying the specifications and quantity of the packaging bags has been sent to the information providing server, and the estimated price has been calculated.

[0055] In step 702, the information providing server 103 receives, from the estimate database 102, information about the contractor, a format for outputting the estimate in a predetermined format, and the like.

[0056] In step 703, the estimate output means 109 generates an estimate number. However, this generated estimate number does not match any existing estimate numbers stored in the estimate database 102. Furthermore, the information providing server 103 generates estimate information including the estimate number and the price calculated by the price calculation means 107. In addition to the estimate number and estimated price, the estimate information includes, for example, information regarding the date and time the estimate information was generated, information regarding the purchaser, information regarding the specified product, information regarding the quoted price, information regarding the contractor, etc.

[0057] A quote number that does not match any existing quote number can be easily generated, for example, by combining the date the quote number was generated with the time the quote number was generated, or the number of times the quote number was generated on that date.

[0058] In step 704, the estimate output means 109 generates an estimate in a predetermined format by inserting predetermined items of the estimate information into the format, and transmits it to the user terminal 104. An exemplary estimate is shown in FIG.

[0059] In step 705, the information providing server 103 stores the estimate information in the estimate database 102. Note that steps 704 and 705 may be performed in reverse order.

[0060] The connection between the information providing server 103 and the user terminal 104 may be interrupted between steps 705 and 706. That is, the information transmitted and received in steps 305 to 307 and steps 701 to 704 may be deleted. However, the estimate information transmitted from the information providing server 103 in step 705 remains in the estimate database 102.

[0061] In step 706, the information providing server 103 receives a request for output of an estimate including the estimate number from the user terminal 104. This step can be executed, for example, by entering the estimate number in the text input field on the estimate screen and then clicking or tapping the adjacent estimate number read button.

[0062] In step 707, the information providing server 103 searches the estimate database 102 for the input estimate number. If the input estimate number does not exist in the estimate database 102, a message stating "Failed to match estimate number" is displayed on the user terminal 104. If the input estimate number exists in the estimate database 102, the information providing server 103 obtains estimate information corresponding to the estimate number from the estimate database 102, together with information about the contractor, a format for outputting an estimate in a predetermined format, and the like.

[0063] In step 708, the estimate output means 109 uses the information acquired in step 707 to generate an estimate in a predetermined format with predetermined items inserted into the format, and transmits the estimate to the user terminal 104. The estimate based on the transmitted information, i.e., the same estimate as that displayed in step 704, is displayed on the user terminal 104.

[0064] <Other embodiments> Needless to say, the object of the present invention can also be achieved by providing a storage medium (or recording medium) on which software program code that realizes the functions of the above-described embodiments is recorded to a system or device, and having a computer (or CPU or MPU) of the system or device read the program code stored in the storage medium. In this case, the program code read from the storage medium itself realizes the functions of the above-described embodiments, and the storage medium on which the program code is stored constitutes the present invention. Furthermore, it goes without saying that the functions of the above-described embodiments can also be achieved by a computer executing the read program code, and that the functions of the above-described embodiments can also be achieved by an operating system (OS) running on the computer performing some or all of the actual processing based on the instructions of the program code.

[0065] Furthermore, it goes without saying that this also includes cases where the program code read from the storage medium is written into the memory of a function expansion card inserted into a computer or a function expansion unit connected to the computer, and then the CPU or the like of the function expansion card or function expansion unit performs some or all of the actual processing based on the instructions of the program code, and the functions of the above-mentioned embodiments are realized through this processing.

[0066] When the present invention is applied to the above-mentioned storage medium, the storage medium will store program code for executing the processes shown in Figures 3 and 7 described above, as well as program code for creating the data for the screens shown in Figures 4, 5, and 8.

[0067] The present invention is not limited to the above-described embodiment, and various modifications can be made based on the spirit of the present invention, and these modifications are not excluded from the scope of the present invention.

Claims

1. An automatic quotation system for packaging bags, A specification input means for specifying the specifications of the packaging bag; A quantity input means for specifying the order quantity; a price calculation means for calculating a price based on the information specified by the specification input means and the information specified by the quantity input means; an estimate output means for outputting information including the price calculated by the price calculation means as an estimate in a predetermined format; The specification input means specifies the type of material, the thickness of the packaging bag, the length and width of the packaging bag, whether or not there is a header, whether or not there is a lid and tape, whether or not there is gravure printing, and whether or not there is air hole processing; When the header, lid and tape, or gravure printing is designated as "yes", the specification input means further designates corresponding header details information, lid and tape details information, or gravure printing details information; An automatic quotation system, wherein the specification input means and the quantity input means have an interface in the form of any one of radio buttons, text input fields, and sliders.

2. In the specification input means, If the header is set to "None", the input method for header details will not be displayed. If the lid and tape are specified as "none", the input means for the lid and tape details will not be displayed, If gravure printing is specified as "none", the input method for gravure printing details is not displayed. The automated quotation system according to claim 1 .

3. a price display means for displaying the price calculated by the price calculation means; 3. The automatic quotation system according to claim 1, wherein when the specification information is updated by the specification input means or the quantity input means, the price calculation means calculates a new price and the price display means updates the displayed content.

4. 4. The automated quotation system according to claim 1, wherein the quotation output means assigns a quotation number to the quotation, and when the quotation number is input, outputs the quotation corresponding to the quotation number.

5. A control program for an automatic quotation system for packaging bags, A specification input means for specifying the specifications of the packaging bag; A quantity input means for specifying the order quantity; a price calculation means for calculating a price based on the information specified by the specification input means and the information specified by the quantity input means; an estimate output means for outputting information including the price calculated by the price calculation means as an estimate in a predetermined format; The specification input means specifies the type of material, the thickness of the packaging bag, the length and width of the packaging bag, whether or not there is a header, whether or not there is a lid and tape, whether or not there is gravure printing, and whether or not there is air hole processing; When the header, lid and tape, or gravure printing is designated as "yes", the specification input means further designates corresponding header details information, lid and tape details information, or gravure printing details information; A control program for an automatic quotation system, wherein the specification input means and the quantity input means have an interface in the form of any one of radio buttons, a text input field, and a slider.

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