return 
[ [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 3 ], [ 1, 2, 6, 4 ], [ 1, 3, 6, 5 ], [ 1, 4, 
          6, 2 ], [ 2, 5, 4, 3 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 6, 7, 8 ], [ 1, 8, 9, 4 ], [ 1, 3, 9, 5 ], 
      [ 1, 4, 9, 6 ], [ 2, 5, 10, 11 ], [ 2, 11, 12, 13 ], [ 2, 13, 10, 3 ], 
      [ 3, 10, 5, 4 ], [ 6, 9, 8, 14 ], [ 6, 14, 12, 7 ], [ 7, 11, 14, 13 ], 
      [ 7, 12, 14, 8 ], [ 10, 13, 12, 11 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 3 ], [ 1, 2, 7, 8 ], [ 1, 8, 9, 10 ], 
      [ 1, 10, 11, 2 ], [ 2, 11, 12, 7 ], [ 3, 6, 13, 14 ], [ 3, 14, 15, 4 ], 
      [ 4, 15, 16, 17 ], [ 4, 17, 18, 5 ], [ 5, 18, 19, 6 ], 
      [ 6, 19, 20, 13 ], [ 7, 12, 20, 21 ], [ 7, 21, 15, 8 ], 
      [ 8, 14, 21, 9 ], [ 9, 21, 20, 22 ], [ 9, 22, 18, 10 ], 
      [ 10, 17, 22, 11 ], [ 11, 22, 20, 12 ], [ 12, 19, 16, 13 ], 
      [ 13, 16, 15, 14 ], [ 16, 19, 18, 17 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 3 ], [ 1, 2, 7, 8 ], [ 1, 8, 9, 10 ], 
      [ 1, 10, 11, 2 ], [ 2, 11, 12, 7 ], [ 3, 6, 13, 14 ], [ 3, 14, 15, 4 ], 
      [ 4, 15, 16, 17 ], [ 4, 17, 18, 5 ], [ 5, 18, 19, 6 ], 
      [ 6, 19, 20, 13 ], [ 7, 12, 21, 14 ], [ 7, 13, 22, 8 ], 
      [ 8, 22, 16, 9 ], [ 9, 15, 22, 23 ], [ 9, 23, 18, 10 ], 
      [ 10, 17, 24, 11 ], [ 11, 24, 20, 12 ], [ 12, 19, 24, 21 ], 
      [ 13, 20, 23, 22 ], [ 14, 21, 16, 15 ], [ 16, 21, 24, 17 ], 
      [ 18, 23, 20, 19 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 7 ], [ 1, 7, 8, 9 ], [ 1, 9, 10, 11 ], 
      [ 1, 11, 12, 2 ], [ 2, 12, 13, 14 ], [ 2, 14, 15, 3 ], [ 3, 15, 16, 9 ],
      [ 3, 8, 17, 4 ], [ 4, 17, 18, 19 ], [ 4, 19, 20, 5 ], [ 5, 20, 21, 6 ], 
      [ 6, 21, 22, 14 ], [ 6, 13, 23, 7 ], [ 7, 23, 24, 8 ], 
      [ 8, 24, 25, 17 ], [ 9, 16, 18, 10 ], [ 10, 17, 25, 26 ], 
      [ 10, 26, 20, 11 ], [ 11, 19, 27, 12 ], [ 12, 27, 28, 13 ], 
      [ 13, 28, 29, 23 ], [ 14, 22, 24, 15 ], [ 15, 23, 29, 16 ], 
      [ 16, 29, 30, 18 ], [ 18, 30, 27, 19 ], [ 20, 26, 28, 21 ], 
      [ 21, 27, 30, 22 ], [ 22, 30, 25, 24 ], [ 25, 29, 28, 26 ] ] ];
