text: 2 14
  0 0 0 0 12 1
  0 0 0 0 13 1
  0 0 0 1 1 9
  0 0 0 1 10 9
  0 0 0 12 0 1
  0 0 0 9 0 1
  0 0 0 9 1 1
  0 0 1 0 0 12
  0 0 1 0 1 5
  0 0 12 0 0 13
  0 0 9 1 1 13
  0 0 9 1 10 2
  0 1 0 0 2 2
  0 1 0 0 9 2
  0 1 13 2 10 1
  0 1 2 13 1 10
  0 1 9 0 0 13
  0 1 9 5 1 2
  0 12 0 0 0 9
  0 13 0 0 0 9
  0 13 5 0 0 7
  0 13 9 0 0 7
  0 2 0 0 2 2
  0 2 0 0 5 2
  0 2 0 0 9 2
  0 2 5 2 1 13
  0 7 5 0 0 13
  0 9 0 0 0 5
  0 9 1 2 1 2
  0 9 1 2 13 2
  1 0 0 1 0 1
  1 0 0 10 0 1
  1 0 0 4 0 1
  1 1 1 3 0 3
  1 1 13 9 4 1
  1 1 9 3 3 3
  1 1 9 9 0 3
  1 10 1 2 1 2
  1 10 13 2 1 1
  1 3 9 0 3 13
  10 10 1 9 3 3
  12 0 0 0 0 4
  13 0 10 13 1 1
  13 0 4 0 0 9
  13 13 3 0 0 9
  13 3 3 0 0 9
  13 3 9 0 0 3
  2 1 10 1 3 3
  2 1 12 2 1 1
  2 1 3 10 10 7
  2 1 3 13 3 10
  2 1 7 0 3 3
  2 1 7 3 3 3
  2 1 7 5 9 3
  2 10 1 7 9 3
  2 10 1 9 9 3
  2 10 13 2 1 1
  2 3 10 1 1 3
  2 3 13 0 3 1
  2 3 13 5 3 1
  2 3 3 13 13 10
  3 0 0 1 0 1
  3 0 0 4 0 1
  3 1 1 3 0 3
  3 1 4 3 0 3
  3 3 0 0 0 3
  3 3 10 1 3 3
  3 3 13 3 9 1
  3 3 3 13 3 10
  3 3 9 3 0 3
  3 3 9 3 3 3
  3 4 0 0 0 3
  3 4 4 0 0 3
  3 9 0 0 0 3
  5 3 0 0 0 3
  5 9 0 0 0 3
  7 9 9 0 0 3
  9 0 0 0 0 4
  9 0 1 13 1 10
  9 1 10 1 1 12
  9 3 3 0 0 9
  9 4 0 0 0 9
  9 4 3 0 0 9
  9 9 0 0 0 3
  