level: simple
.2.3......63.....58.......15....9.3....7........1....8.879..26......6.7...6..7..4 | initial |
925371486163498725874562391542689137618753942739124658487915263351246879296837514 | solved |
level: simple
Top 95 Sudokus 024 [sudoku:top95] “95 Hard Puzzles”, http://magictour.free.fr/top95, or http://norvig.com/top95.txt