4.sd 172 B

12345678910
  1. 4 0 0 2 5 1 0 8 0
  2. 5 0 8 4 3 7 0 0 1
  3. 7 0 1 0 0 8 3 4 0
  4. 0 0 0 7 0 3 0 0 0
  5. 0 8 2 5 0 4 9 7 3
  6. 0 7 3 0 8 9 5 0 0
  7. 0 1 7 0 0 0 8 0 9
  8. 8 4 5 0 1 0 0 3 6
  9. 0 0 6 0 0 0 0 0 2