Assembling type modularized multifunctional tenon-and-mortise interaction art device

Abstract

The invention discloses a splicing type modular multifunctional mortise and tenon interaction art device which comprises a center module used as a landscape pavilion body and a plurality of mortise and tenon type interaction function modules arranged around the center module and used for meeting different use requirements of users. A plurality of inserting grooves with different opening directions are formed in the center module, the plurality of mortise and tenon type interaction function modules are detachably inserted into the plurality of inserting grooves and spliced with the center module to form a whole, and the center module and the plurality of mortise and tenon type interaction function modules are all made of ultra-high performance concrete. The Chinese traditional mortise and tenon culture is extracted as a design element, various artistic shapes and functions can be achieved through combination of different modules, each module is made of ultra-high-performance concrete materials, each module is of a hollow structure, and the advantages of being light and handy and convenient to move, disassemble and assemble are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of children's interactive art devices, and in particular to an assembleable modular multifunctional mortise and tenon interactive art device. Background Art

[0002] Children's interactive art installations occupy an important position in modern educational and entertainment facilities. They not only provide children with rich entertainment experiences, but also play an important role in intellectual development, physical training and artistic aesthetic education. However, there are several major problems with children's interactive art installations currently on the market:

[0003] (1) Single function: Traditional children's interactive devices usually have a single function, such as slides and swings, which cannot meet children's needs for diversified interactive experiences. These devices lack innovation and variety, and are easy to make children feel bored.

[0004] (2) The structure is not easy to assemble and disassemble: Traditional devices are usually fixed and lack flexibility, making them difficult to move, disassemble, and reassemble. This lack of modular design is limited in terms of functional expansion and site adaptability, and is difficult to adjust according to different sites and usage requirements.

[0005] (3) Safety and durability issues: Children's interactive devices need to withstand frequent use and various external environmental impacts, so they have high requirements for material durability and structural safety. Existing devices made of plastic or PVC materials have mixed performance in this regard. Summary of the invention

[0006] In order to overcome the defects existing in the prior art, the present invention provides an assembleable modular multifunctional mortise and tenon interactive art device, which provides different interactive methods and experiences by adopting the assembly combination form of the mortise and tenon structure and the combination of different modules. Each module is made of ultra-high performance concrete material, which is safe and durable and can adapt to different venues and usage requirements.

[0007] In order to achieve the above-mentioned object, the present invention provides an assembleable modular multifunctional mortise and tenon interactive art device, comprising:

[0008] A central module serving as the main body of the landscape pavilion and a plurality of mortise and tenon interactive function modules arranged around the central module and used to meet different user needs, the central module is provided with a plurality of plug-in slots with different opening directions, the plurality of mortise and tenon interactive function modules can be detachably plugged into the plurality of mortise and tenon slots and assembled with the central module to form a whole, and the materials of the central module and the plurality of mortise and tenon interactive function modules are both made of ultra-high performance concrete.

[0009] Preferably, the plurality of mortise and tenon interactive function modules include a smart interactive theme combination module, a cultural science theme combination module, a planting garden theme combination module, a pet-friendly station theme combination module, and a plurality of mortise and tenon element monomer modules for users to freely combine and utilize.

[0010] Preferably, the smart interactive theme combination module includes two music mortise and tenon modules for user interaction to meet sound usage needs, two seat mortise and tenon modules with ergonomically designed seat design heights to provide users with comfort when in use, and two puzzle game mortise and tenon modules for obtaining randomly generated mortise and tenon combination patterns by scanning codes through terminal devices and playing puzzle games according to the randomly generated mortise and tenon combination patterns, and the two music mortise and tenon modules, the two seat mortise and tenon modules and the two puzzle game mortise and tenon modules are all connected by tenons and mortise grooves.

[0011] Preferably, each of the music mortise and tenon modules is provided with a popular science mortise and tenon QR code and an electronic piano interactive screen, and the outer edges of the two music mortise and tenon modules after being spliced ​​and combined are provided with induction luminous light strips.

[0012] Preferably, the upper surface of each of the seat mortise and tenon modules is provided with an integrated solar panel and a wireless charging device, and the side end surface of each of the seat mortise and tenon modules is provided with a smart Bluetooth music connection port, a wireless WIFI connection port and an AI emergency alarm port.

[0013] Preferably, at least one of the jigsaw puzzle game mortise and tenon modules is provided with an electronic screen and a game QR code, and two of the jigsaw puzzle game mortise and tenon modules are provided with an adsorption grid plate on their upper surfaces after being spliced ​​and assembled, and the adsorption grid plate is adsorbed and connected with a plurality of magnetic mortise and tenon models for users to move up, down, left, and right to complete the jigsaw puzzle.

[0014] Preferably, the cultural science theme combination module includes a plurality of cultural science theme sub-modules which are light-transmissive and used to display cultural science content by theme, and the plurality of cultural science theme sub-modules are connected by tenons and mortise-and-tenon joints.

[0015] Preferably, the planting garden theme combination module includes a plurality of planting garden theme sub-modules, each of the planting garden theme sub-modules is provided with a planting trough, and the plurality of planting troughs can be spliced ​​and combined with each other.

[0016] Preferably, the pet-friendly station theme combination module includes a plurality of pet-friendly station theme sub-modules designed as a cavity shape and the internal space is used to provide a resting and sheltering place for outdoor stray pets.

[0017] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0018] 1) The design uses the assembly combination form of traditional Chinese mortise and tenon structure. Through the combination of different modules, the assembly process is made more structural, spatially logical and educational.

[0019] 2) In terms of function, each module can be used independently after being split, and expanded into a series of themed functional interactive art spaces, providing different interactive methods and experiences. Different combinations can adapt to different venues and usage requirements.

[0020] 3) In terms of material application, each module is made of UHPC (ultra-high performance concrete) material. Each module has a hollow structure and is lightweight, easy to move, disassemble, assemble, safe and durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional picture of the assembled modular multifunctional mortise and tenon interactive art device before being disassembled according to an embodiment of the present invention.

[0023] Figure 2 It is a front structural diagram of the assembled modular multifunctional mortise and tenon interactive art device before being disassembled according to an embodiment of the present invention.

[0024] Figure 3 It is a rear view structural diagram of the assembled modular multifunctional mortise and tenon interactive art device before being disassembled according to an embodiment of the present invention.

[0025] Figure 4 It is a left-side structural diagram of the assembled modular multifunctional mortise and tenon interactive art device before being disassembled according to an embodiment of the present invention.

[0026] Figure 5 It is a right-side structural diagram of the assembled modular multifunctional mortise and tenon interactive art device before being disassembled according to an embodiment of the present invention.

[0027] Figure 6 It is an exploded view of a landscape pavilion main body, four functional theme modules and several mortise and tenon element monomer modules that can be disassembled into an embodiment of the present invention.

[0028] Figure 7 yes Figure 6 Front view of the main structure of the central landscape pavilion.

[0029] Figure 8 yes Figure 6Rear view of the main structure of the central landscape pavilion.

[0030] Fig. 9 yes Figure 6 The left view of the main structure of the central landscape pavilion.

[0031] Fig.10 yes Figure 6 The right side structural diagram of the main body of the central landscape pavilion.

[0032] Fig.11 It is a structural diagram and a decomposable exploded diagram of the smart interactive theme combination module in an embodiment of the present invention.

[0033] Fig.12 It is a schematic diagram of the assembly and decomposition of two music mortise and tenon modules in the intelligent interactive theme combination module in an embodiment of the present invention.

[0034] Fig.13 It is a schematic diagram of the assembly and decomposition of two seat mortise and tenon modules in the smart interactive theme combination module in an embodiment of the present invention.

[0035] Fig.14 It is a schematic diagram of the assembly and decomposition of the jigsaw puzzle game mortise and tenon modules in the smart interactive theme combination module in an embodiment of the present invention.

[0036] Fig.15 It is a structural schematic diagram and a decomposable exploded diagram of the cultural science theme combination module in an embodiment of the present invention.

[0037] Fig.16 It is a schematic diagram of the assembled and decomposed structure of two dovetail mortise and tenon modules in the cultural science theme combination module in an embodiment of the present invention.

[0038] Fig.17 It is a schematic diagram of the assembled and decomposed structure of two T-shaped square groove mortise and tenon modules in the cultural science theme combination module in an embodiment of the present invention.

[0039] Fig.18 It is a schematic diagram of the assembled and decomposed structure of two shoulder-tenon joint modules in the cultural science theme combination module in an embodiment of the present invention.

[0040] Fig.19 It is a schematic diagram of the combination of several monomer modules in the cultural science theme combination module in the embodiment of the present invention.

[0041] Fig. 20 It is a structural schematic diagram and a decomposable exploded diagram of a planting garden theme combination module in an embodiment of the present invention.

[0042] Fig.21 It is a structural diagram and a decomposable exploded diagram of the pet station theme combination module in the embodiment of the invention.

[0043] Fig. 22It is a schematic diagram of the exploded structure of several mortise and tenon unit monomer modules in an embodiment of the invention.

[0044] The corresponding relationship of the numbers in the accompanying drawings is as follows:

[0045] 1-Landscape Pavilion Body; 2-Smart Interactive Theme Combination Module; 21-First Music Mortise and Tenon Module; 211-First Mortise; 212-Science Mortise and Tenon QR Code; 213-Electronic Piano Interactive Screen; 214-Induction Lighting Strip; 22-Second Music Mortise and Tenon Module; 221-First Mortise and Tenon; 23-First Seat Mortise and Tenon Module; 231-Second Mortise and Tenon; 232-Wireless Charging Device; 233-Solar Integrated Panel; 235-Wireless WIFI; 236-AI Emergency Alarm; 24-Second Seat Mortise and Tenon Module; 241-Second Mortise and Tenon; 25-First Jigsaw Game Mortise and Tenon Module; 251-Third Mortise and Tenon; 252-Electronic Screen; 253-Game QR Code; 256-Adsorption Grid Board; A-Magnetic Mortise and Tenon Model; 26-Second Jigsaw Game Mortise and Tenon Module; 261-Third Mortise; 3-Cultural Science Theme Group Combination module; 31-first dovetail tenon module; 311-fourth tenon; 32-second dovetail tenon module; 321-fourth tenon groove; 33-first T-shaped square groove tenon module; 331-fifth tenon groove; 34-second T-shaped square groove tenon module; 341-fifth tenon; 35-first shoulder tenon joint module; 351-sixth tenon; 36-second shoulder tenon joint module; 361-sixth tenon groove; 37-single module; B-side surface of cultural science theme submodule; 4-planting garden theme combination module; C-planting garden theme submodule; D-planting trough; 5-pet-friendly station theme combination module; E-pet-friendly station theme submodule; 511-seventh tenon; 521-interactive QR code; 522-seventh tenon groove; F-several mortise and tenon element single modules; 12-assembled modular multifunctional mortise and tenon interactive art device. DETAILED DESCRIPTION

[0046] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0047] See also Figures 1 to 21 As shown, the embodiment of the present invention provides an assembleable modular multifunctional mortise and tenon interactive art device, such as Figure 1As shown in the middle bid number 12, the assembleable modular multifunctional mortise and tenon interactive art device 12 includes a central module used as the main body of the landscape pavilion 1 and a plurality of mortise and tenon interactive function modules arranged around the central module and used to meet the different usage needs of users. The central module is provided with a plurality of plug-in slots with different opening directions. The plurality of mortise and tenon interactive function modules can be detachably plugged into the plurality of plug-in slots and assembled with the central module to form a whole. The materials of the central module and the plurality of mortise and tenon interactive function modules are all UHPC (ultra-high performance concrete). The UHPC material has high strength, durability and weather resistance, and can ensure the long-term use of the device under various environmental conditions.

[0048] See also Figures 6 to 10 As shown, in this embodiment, the plurality of mortise and tenon interactive function modules include a smart interactive theme combination module 2, a cultural science theme combination module 3, a planting garden theme combination module 4, a pet-friendly station theme combination module 5, and a plurality of mortise and tenon element monomer modules F( Figure 6 The middle bid numbers 6, 7, 8, 9, 10 and 11 are all single modules of mortise and tenon elements).

[0049] See also Figures 11 to 14 As shown, the smart interactive theme combination module 2 includes two music mortise and tenon modules (a first music mortise and tenon module 21 and a second music mortise and tenon module 22) for user interaction to meet sound usage needs, two seat mortise and tenon modules (a first seat mortise and tenon module 23 and a second seat mortise and tenon module 24) with ergonomically designed seat design heights to provide users with comfort when in use, and two puzzle game mortise and tenon modules (a first puzzle game mortise and tenon module 25 and a second puzzle game mortise and tenon module 6) for obtaining random body shape mortise and tenon combination patterns by scanning codes with terminal devices and playing puzzle games according to the randomly produced mortise and tenon combination patterns, and the two music mortise and tenon modules can be spliced ​​and combined through the first tenon 211 and the first tenon groove 221, the two seat mortise and tenon modules can be spliced ​​and combined through the second tenon 231 and the second tenon groove 241, and the two puzzle game mortise and tenon modules can be spliced ​​and combined through the third tenon 261 and the third tenon groove 251.

[0050] Furthermore, the outer edges of the two music mortise and tenon modules after being combined are provided with an induction light strip 214, which can emit light and emit a ritual reminder sound after being combined. The side end faces of the two music mortise and tenon modules are provided with a popular science mortise and tenon QR code 212 (the QR code image is only used as a style demonstration example), and are made into a sound slot form with a hole for sound, which can meet the function of scanning the code and can also emit sound. Preferably, in this embodiment, the surface of the second music mortise and tenon module 22 is provided with an electronic piano interactive screen 213, which can be connected to a speaker and emit sound.

[0051] Furthermore, in this embodiment, the two seat mortise and tenon modules integrate modern technological elements, and while providing a multifunctional and intelligent use experience, they also take into account ergonomics, environmentally friendly energy utilization, and user safety and convenience. Specifically, they include:

[0052] a) The height design of each seat mortise and tenon module conforms to the ergonomic seat design height, providing users with a comfortable sitting feeling when using it.

[0053] b) Each seat mortise and tenon module is provided with an integrated solar panel 233, which can utilize solar clean energy for power supply, reducing dependence on traditional energy and complying with the concept of green environmental protection; at the same time.

[0054] c) A wireless charging device 232 that complies with national safety standards is also provided on the side end surface of each seat mortise and tenon module, which can facilitate users to use mobile phones to charge electronic devices wirelessly, thereby improving ease of use.

[0055] d) Each seat mortise and tenon module is also equipped with smart Bluetooth music 234, wireless WIFI 235 and AI emergency alarm 236 on the side surface. Users can play music through Bluetooth connection to enhance the user experience. At the same time, wireless WIFI 235 provides users with free network access services to facilitate users to access the Internet. AI emergency alarm 236 can ensure that children and parents can quickly send out distress signals in an emergency, thereby improving safety.

[0056] It should be noted that, in the present embodiment, the two jigsaw puzzle game mortise and tenon modules provide a novel jigsaw puzzle game experience by combining the traditional mortise and tenon structure with modern electronic technology. The user can enter the game by scanning the code with a mobile phone, obtain the randomly generated mortise and tenon combination pattern on the electronic screen, and then use the magnetic mortise and tenon model adsorbed on the adsorption grid plate to play the jigsaw puzzle. Specifically, the upper surface of the first jigsaw puzzle game mortise and tenon module 25 is provided on the electronic screen 252 and the game QR code 253. The electronic screen 252 is used to display the randomly generated mortise and tenon combination pattern. The user can enter the jigsaw puzzle by scanning the game QR code 253 (the QR code image and text shown are only used as a style demonstration example). The first jigsaw puzzle game mortise and tenon module 25 and the second jigsaw puzzle game mortise and tenon module 26 are provided with an adsorption grid plate 256 on the upper surface after being assembled. The adsorption grid plate 256 is adsorbed and connected with a plurality of magnetic mortise and tenon models A ( Fig.14 Winning bid numbers 257, 258, 259, 2510, 2511, 2512, 2513, and 2514 are all magnetic mortise and tenon models). Children and parents can complete the jigsaw puzzle game competition challenge by moving multiple magnetic mortise and tenon models up, down, left, and right.

[0057] See also Figures 15 to 19As shown, the cultural science theme combination module 3 includes several cultural science theme sub-modules that are light-transmissive and used to display cultural science content by theme. The several cultural science theme sub-modules are connected by tenons and mortises. In this embodiment, the several cultural science theme sub-modules specifically include two dovetail tenon modules (a first dovetail tenon module 31 and a second dovetail tenon module 32), two T-square groove tenon modules (a first T-square groove tenon module 33 and a second T-square groove tenon module 34), two shoulder tenon joint modules (a first shoulder tenon joint module 35 and a second shoulder tenon joint module 36) and several monomer modules 37, and the two dovetail tenon modules can be spliced ​​and combined through the fourth tenon 311 and the fourth tenon 321, the two T-square groove tenon modules can be spliced ​​and combined through the fifth tenon 341 and the fifth tenon 331, and the two shoulder tenon joint modules can be spliced ​​and combined through the sixth tenon 351 and the sixth tenon 361. Preferably, in this embodiment, the cultural science theme combination module 3 adopts the light-transmitting concrete technology, and the side surface B ( Figures 16 to 19 The side surfaces of the cultural science theme submodules with cultural science content displayed in the bid numbers 352, 362, 371, 312, and 322 are all cultural science content displayed (the graphic content and layout of the schematic diagram are only for demonstration). The processing and production methods involved include but are not limited to adjusting the dosage and spatial arrangement of the optical fiber to achieve the light transmission effect of the pattern and text. The designed text and pattern can be drawn on a semi-hard or hard material first, and holes can be punched according to the designed text and pattern, and the optical fiber can be inserted into these holes to form a preset light transmission path. After the optical fiber is embedded, the concrete is poured. After the concrete is cured, it is cut and polished to expose the end face of the optical fiber to enhance the light transmission effect.

[0058] It should be noted that the cultural and science theme combination module 3 has rich cultural and science content printed on the surface, which can be clearly seen both during the day and at night. During the day, the text and patterns provide intuitive cultural knowledge, and at night, the light transmitted by the optical fiber makes the text and patterns glow on the surface of the module, adding vivid visual effects and science functions. Compared with the common geometric decorative patterns on the market, this design highlights the translucent patterns in the form of text, which not only expands the application and enhances the cultural and science functions, but also plays a role in brightening the environment at night, attracting more people to pay attention and learn.

[0059] See also Fig. 20 As shown, the planting garden theme combination module 4 includes a plurality of planting garden theme submodules C ( Fig. 20 The bid numbers 41, 42, 43, and 44 are all multiple planting garden theme submodules. Each planting garden theme submodule C is provided with a planting trough, and multiple planting troughs can be spliced ​​and combined with each other, such as Fig. 20 As shown, the planting garden theme submodule C is provided with planting grooves D ( Fig. 20 The winning bids 411, 421, 431, and 441 are all planting troughs), where planting troughs 411 and 421 can be spliced ​​and combined with each other, and planting troughs 431 and 441 can be spliced ​​and combined with each other. Landscape plants (such as small edible agricultural plants that are easy to survive) can be planted in the planting troughs, so that the landscape plants are organically combined with the combination modules, expanding and creating a green ecological interactive space that combines fun and popular science. Each module is equipped with a planting trough, which can form a small edible science garden for children through reasonable layout and placement, providing a place to experience picking practice and enhance the love and protection awareness of nature.

[0060] See also Fig.21 As shown, the pet station theme combination module 5 includes a plurality of pet-friendly theme submodules E ( Fig.21 The winning numbers 51 and 52 are both pet-friendly station theme sub-modules). The pet-friendly station theme sub-modules C can be spliced ​​and combined with each other through the seventh tenon 511 and the seventh tenon groove 522. By designing them into a hollow shape, the internal space provides a resting and sheltering place for outdoor stray pets. In addition, an interactive QR code 521 is provided on the side of the two sub-modules (the QR code image and text shown are only used as a style demonstration example). Users can also scan the code to learn about the relevant information of the mortise and tenon element pet station. While enhancing the public's understanding and interest in traditional culture, it also conveys the concept of protecting outdoor stray pets and plants a seed of care in children's hearts.

[0061] See also Figure 5 and Fig. 22 As shown, several mortise and tenon element monomer modules F( Fig. 22 The winning numbers 6, 7, 8, 9, 10 and 11 are all single mortise and tenon element modules) are single mortise and tenon element modules, which allow children and parents to freely use their imagination to combine and use them.

[0062] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An assembleable modular multifunctional mortise and tenon interactive art device, characterized in that: The pavilion comprises a central module serving as the main body of the landscape pavilion and a plurality of mortise and tenon interactive function modules arranged around the central module and used to meet different user needs. The central module is provided with a plurality of plug-in slots with different opening directions. The plurality of mortise and tenon interactive function modules can be detachably plugged into the plurality of plug-in slots and assembled with the central module to form a whole. The central module and the plurality of mortise and tenon interactive function modules are made of ultra-high performance concrete.

2. The modular multifunctional mortise and tenon interactive art device as claimed in claim 1, characterized in that: The plurality of mortise and tenon interactive function modules include a smart interactive theme combination module, a cultural science theme combination module, a planting garden theme combination module, a pet-friendly station theme combination module, and a number of mortise and tenon element monomer modules for users to freely combine and utilize.

3. The modular multifunctional mortise and tenon interactive art device as claimed in claim 2, characterized in that: The smart interactive theme combination module includes two music mortise and tenon modules for user interaction to meet sound usage needs, two seat mortise and tenon modules with ergonomic seat design heights to provide users with comfort when in use, and two puzzle game mortise and tenon modules for obtaining randomly generated mortise and tenon combination patterns by scanning codes through terminal devices and playing puzzle games according to the randomly generated mortise and tenon combination patterns. The two music mortise and tenon modules, the two seat mortise and tenon modules, and the two puzzle game mortise and tenon modules are all connected by tenons and mortise grooves.

4. The modular multifunctional mortise and tenon interactive art device as claimed in claim 3, characterized in that: Each of the music mortise and tenon modules is provided with a popular science mortise and tenon QR code and an electronic piano interactive screen, and the outer edges of the two music mortise and tenon modules after being spliced ​​and combined are provided with induction luminous light strips.

5. The modular multifunctional mortise and tenon interactive art device as claimed in claim 3, characterized in that: The upper surface of each seat mortise and tenon module is provided with an integrated solar panel and a wireless charging device, and the side end surface of each seat mortise and tenon module is provided with a smart Bluetooth music connection port, a wireless WIFI connection port and an AI emergency alarm port.

6. The modular multifunctional mortise and tenon interactive art device as claimed in claim 3, characterized in that: At least one of the jigsaw puzzle game mortise and tenon modules is provided with an electronic screen and a game QR code, and two of the jigsaw puzzle game mortise and tenon modules are provided with an adsorption grid plate on their upper surfaces after being spliced ​​and assembled, and the adsorption grid plate is adsorbed and connected with a plurality of magnetic mortise and tenon models for users to move up, down, left, and right to complete the jigsaw puzzle.

7. The modular multifunctional mortise and tenon interactive art device as claimed in claim 2, characterized in that: The cultural science theme combination module includes a plurality of cultural science theme sub-modules which are light-transmitting and used to display cultural science content by theme. The plurality of cultural science theme sub-modules are connected by tenons and mortise-and-tenon joints.

8. The modular multifunctional mortise and tenon interactive art device as claimed in claim 2, characterized in that: The planting garden theme combination module includes a plurality of planting garden theme sub-modules, each of which is provided with a planting trough, and the plurality of planting troughs can be spliced ​​and combined with each other.

9. The modular multifunctional mortise and tenon interactive art device as claimed in claim 2, characterized in that: The pet-friendly station theme combination module includes a plurality of pet-friendly station theme sub-modules designed as a cavity shape and the internal space is used to provide a resting and sheltering place for outdoor stray pets.

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