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__    __    ______             __   __  __    __  
\ \\ / //  /_   _//     ___    \ \\/ // \ \\ / // 
 \ \/ //    -| ||-     /   ||   \ ` //   \ \/ //  
  \  //     _| ||_    | [] ||    | ||     \  //   
   \//     /_____//    \__ ||    |_||      \//    
    `      `-----`      -|_||    `-`'       `     
                         `-`

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Text this: Symmetry Groups Associated With Tilings on a Flat Torus