text: 2 16
  0 0 0 0 10 2
  0 0 0 0 13 2
  0 0 0 0 15 2
  0 0 0 10 0 1
  0 0 0 12 0 1
  0 0 0 13 0 1
  0 0 0 6 1 1
  0 0 0 8 1 13
  0 0 0 9 0 1
  0 0 1 0 0 10
  0 0 1 2 0 12
  0 0 13 10 12 6
  0 0 13 6 1 10
  0 0 13 8 1 10
  0 0 2 0 10 8
  0 0 2 2 6 6
  0 0 8 2 10 6
  0 0 8 2 2 10
  0 1 6 2 9 2
  0 10 14 15 9 7
  0 12 0 0 0 2
  0 13 10 2 9 2
  0 13 6 2 9 2
  0 13 8 0 2 14
  0 14 0 0 0 2
  0 14 15 0 12 2
  0 15 0 0 0 2
  0 15 0 0 2 15
  0 2 0 0 14 2
  0 2 0 0 15 2
  0 2 0 0 2 2
  0 2 15 0 2 14
  0 2 2 0 0 12
  0 8 0 0 2 15
  1 0 0 10 1 9
  1 0 0 6 0 3
  1 0 0 8 0 9
  1 0 3 6 0 1
  1 0 9 10 1 10
  1 0 9 6 0 10
  1 0 9 8 0 10
  1 1 2 1 9 1
  1 1 2 3 3 1
  1 10 2 3 3 1
  1 3 6 3 0 3
  10 0 0 0 0 3
  10 0 3 0 0 8
  10 0 6 2 10 10
  10 0 6 9 10 10
  10 1 10 2 10 2
  10 1 10 2 6 2
  10 1 2 1 10 9
  10 1 2 3 6 9
  10 1 2 3 8 9
  10 1 6 3 3 2
  10 1 9 3 8 2
  10 12 9 1 10 2
  10 12 9 2 10 2
  10 12 9 3 10 2
  12 0 9 10 0 6
  12 0 9 10 12 10
  13 0 1 2 9 6
  13 0 1 9 9 6
  13 0 12 9 9 10
  14 3 0 0 0 3
  14 3 7 0 3 3
  15 3 14 2 3 3
  15 3 2 0 3 7
  15 9 12 0 3 3
  2 0 8 3 0 10
  2 1 10 0 3 14
  2 1 10 2 6 2
  2 1 2 1 2 1
  2 1 2 2 9 1
  2 1 2 3 6 1
  2 1 6 2 10 2
  2 1 9 1 1 2
  2 1 9 3 3 2
  2 10 2 1 2 1
  2 10 2 1 9 1
  2 10 2 2 1 1
  2 10 2 2 2 1
  2 10 2 3 3 1
  2 10 7 2 9 2
  2 2 14 2 7 2
  2 2 15 0 14 2
  2 2 2 0 14 15
  2 3 0 0 0 3
  2 3 2 0 0 8
  2 3 8 0 3 14
  2 6 9 3 3 2
  2 7 0 0 0 3
  2 8 0 0 0 3
  2 9 6 3 0 3
  2 9 8 0 0 14
  3 3 0 0 0 3
  6 0 3 3 0 6
  6 1 10 14 3 9
  6 1 10 2 10 2
  6 1 10 2 6 2
  6 1 10 3 3 2
  6 1 2 2 2 9
  6 1 9 2 1 2
  6 1 9 2 10 2
  7 10 9 3 3 2
  8 1 10 7 10 9
  8 1 14 0 8 2
  8 1 2 2 10 9
  8 1 2 2 8 9
  9 0 0 0 0 3
  9 0 1 2 9 6
  9 0 12 9 9 10
  9 0 8 3 0 6
  9 1 1 1 1 9
  9 1 1 3 3 9
  9 10 14 3 0 3
  9 9 10 1 9 2
  9 9 10 2 2 2
  9 9 10 3 0 3
  