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