4.sd 172 B

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