Rozwiąż sudoku (# to puste pole)

# # 8 | # # 6 | # # #|
# # # | # 1 # | # # #|
6 # # | 9 # 5 | # # #|
# # # | 1 # #| # # #|
# # #| 3 # # #| 7 # #|
# # # | 4 7 # | 1 2 # |
2 # 7 | # # # | 8 # 1 |
# # 4| # # # | # 3 5|
1 # # | # # #| 4 # #|