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