4.sd 172 B

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