return 
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      [ 14, 18, 20, 15 ], [ 24, 24, 19, 17 ], [ 1, 1, 2, 3 ], [ 8, 8, 14, 4 ],
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      [ 19, 20, 24, 24 ], [ 20, 19, 24, 24 ], [ 1, 1, 2, 2 ], 
      [ 22, 22, 21, 21 ] ] ];
