test.txt 114 B

123456
  1. 0, 7, 9, 0, 0, 14,
  2. 7, 0, 10, 15, 0, 0,
  3. 9, 10, 0, 11, 0, 2,
  4. 0, 15, 11, 0, 6, 0,
  5. 0, 0, 0, 6, 0, 9,
  6. 14, 0, 2, 0, 9, 0