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  [  0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1,0 ],
  [  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,1 ],
  [  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0 ] ]