return 
[ [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 3 ], [ 1, 2, 6, 7 ], [ 1, 7, 8, 5 ], 
      [ 1, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 3, 6, 8, 4 ], [ 4, 7, 6, 5 ] ], 
  [ [ 9, 9, 3, 4 ], [ 9, 5, 6, 3 ], [ 1, 2, 6, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 3, 6, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 1, 1, 5, 2 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 6, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 3, 6, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ] ], 
  [ [ 9, 9, 3, 4 ], [ 10, 10, 5, 6 ], [ 1, 10, 6, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 3, 6, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 1, 1, 5, 10 ], [ 2, 2, 3, 9 ] ], 
  [ [ 9, 9, 3, 4 ], [ 9, 5, 6, 3 ], [ 1, 2, 10, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 10, 10, 2, 8 ], [ 3, 10, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 1, 1, 5, 2 ], [ 6, 6, 7, 3 ] ], 
  [ [ 9, 9, 3, 4 ], [ 9, 5, 6, 3 ], [ 1, 2, 6, 10 ], [ 1, 10, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 10, 10, 6, 8 ], [ 4, 7, 6, 5 ], 
      [ 1, 1, 5, 2 ], [ 7, 7, 4, 3 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 11, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 11, 11, 2, 8 ], [ 3, 11, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ], [ 6, 6, 7, 3 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 6, 11 ], [ 1, 11, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 11, 11, 6, 8 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ], [ 7, 7, 4, 3 ] ], 
  [ [ 9, 9, 3, 4 ], [ 10, 10, 5, 6 ], [ 1, 10, 6, 11 ], [ 1, 11, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 7, 3 ], [ 11, 11, 6, 8 ], [ 4, 7, 6, 5 ], 
      [ 1, 1, 5, 10 ], [ 2, 2, 3, 9 ], [ 7, 7, 4, 3 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 11, 12 ], [ 1, 12, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 11, 11, 2, 8 ], [ 12, 12, 11, 8 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ], [ 6, 6, 7, 3 ], [ 7, 7, 4, 3 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 11, 7 ], [ 1, 7, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 12, 11, 2, 8 ], [ 3, 12, 8, 4 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ], [ 12, 12, 3, 6 ], [ 11, 11, 6, 7 ] ], 
  [ [ 9, 10, 3, 4 ], [ 10, 5, 6, 3 ], [ 1, 2, 6, 11 ], [ 1, 11, 8, 5 ], 
      [ 9, 4, 8, 2 ], [ 2, 8, 12, 3 ], [ 12, 12, 8, 11 ], [ 4, 7, 6, 5 ], 
      [ 10, 10, 1, 5 ], [ 9, 9, 2, 1 ], [ 12, 7, 4, 3 ], [ 7, 7, 11, 6 ] ], 
  [ [ 9, 9, 3, 4 ], [ 10, 10, 5, 6 ], [ 1, 10, 6, 11 ], [ 1, 11, 8, 5 ], 
      [ 9, 4, 12, 2 ], [ 2, 12, 7, 3 ], [ 11, 11, 6, 8 ], [ 12, 12, 4, 7 ], 
      [ 1, 1, 5, 10 ], [ 2, 2, 3, 9 ], [ 7, 7, 4, 3 ], [ 8, 8, 6, 5 ] ] ];
