< 1,0,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,-1,-1, 0, 0, 1, 1, 0, 0,-1, 0;
  0,1,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,-1,-1, 0, 0, 2, 0;
  0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0,-1, 0;
  0,0,0,0,1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0;
  0,0,0,0,0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0, 0, 0, 0, 0, 0,-1;
  0,0,0,0,0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0, 0, 0, 0, 0, 0;
  0,0,0,0,0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,-1, 0, 0, 0, 0, 0, 0;
  0,0,0,1,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 1, 0, 0;
  0,0,1,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,-1, 0, 0;
  0,0,0,0,0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0, 0, 0, 0;
  0,0,0,0,0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0, 0, 0;
  0,0,0,0,0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0, 0;
  0,0,0,0,0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,-1, 0, 0;
  0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0;
  0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 >