text: 2 10
  0 0 0 0 6 2
  0 0 0 0 8 2
  0 0 0 1 1 1
  0 0 0 1 2 1
  0 0 0 2 2 1
  0 0 0 8 0 2
  0 0 0 8 2 2
  0 0 0 9 0 2
  0 0 1 0 0 8
  0 0 1 2 9 8
  0 0 2 8 0 9
  0 0 2 8 2 3
  0 1 1 2 1 2
  0 1 1 2 2 2
  0 2 0 0 2 3
  0 2 0 0 3 3
  0 2 0 0 6 3
  0 2 3 0 0 8
  0 2 3 0 2 2
  0 2 3 0 3 2
  0 2 3 2 2 2
  0 2 6 0 2 2
  0 2 6 0 8 2
  0 3 0 0 2 6
  0 3 0 0 3 6
  0 3 6 0 3 2
  0 4 0 0 0 3
  0 6 0 0 0 3
  0 6 0 0 2 3
  0 8 0 0 0 3
  1 0 2 1 2 1
  1 0 2 8 0 9
  1 0 2 9 0 9
  1 0 3 1 1 1
  1 0 3 3 0 1
  1 0 5 9 0 9
  1 0 9 1 2 1
  1 0 9 3 0 1
  1 2 1 3 0 3
  1 2 6 4 0 3
  1 2 9 1 3 1
  1 2 9 3 0 3
  1 3 1 3 0 3
  1 9 1 3 1 3
  2 0 0 2 0 2
  2 0 0 3 0 2
  2 0 0 5 0 2
  2 0 2 1 0 1
  2 0 2 1 2 1
  2 0 2 9 0 9
  2 2 8 2 1 1
  2 2 8 3 3 1
  2 3 2 8 3 3
  3 0 0 3 0 2
  3 0 3 0 0 8
  3 0 5 8 0 9
  3 2 8 4 0 3
  3 3 0 0 0 4
  3 3 4 0 0 3
  3 4 0 0 0 3
  3 5 8 4 0 3
  3 5 9 3 3 1
  3 6 4 0 0 3
  3 8 4 0 0 3
  3 9 1 3 1 3
  4 3 0 0 0 4
  5 0 0 0 0 3
  5 0 0 3 0 3
  6 0 0 0 0 3
  6 2 8 0 4 3
  8 0 0 0 0 3
  8 0 3 0 0 6
  8 3 4 0 0 3
  9 0 0 3 0 5
  9 0 0 5 0 5
  9 0 2 1 0 3
  9 0 2 6 0 3
  9 0 3 1 0 1
  9 0 3 3 0 1
  