level: simple
.......71.2.8........4.3...7...6..5....2..3..9........6...7.....8....4......5.... | initial |
349526871521897643876413529718369254465281397932745186654178932187932465293654718 | solved |
level: simple
Top 95 Sudokus 027 [sudoku:top95] “95 Hard Puzzles”, http://magictour.free.fr/top95, or http://norvig.com/top95.txt