level: simple
4.....3.....8.2......7........1...8734.......6........5...6........1.4...82...... | initial |
475691328961832745823754196259143687347586219618927534534269871796318452182475963 | solved |
level: simple
Top 95 Sudokus 026 [sudoku:top95] “95 Hard Puzzles”, http://magictour.free.fr/top95, or http://norvig.com/top95.txt