level: simple
3...8.......7....51..............36...2..4....7...........6.13..452...........8.. | initial |
354186927298743615167952483481527369932614578576398241729865134845231796613479852 | solved |
level: simple
Top 95 Sudokus 095 [sudoku:top95] “95 Hard Puzzles”, http://magictour.free.fr/top95, or http://norvig.com/top95.txt