Contents
level: simple
....185.......2...69......4..2..4.6...8.9.....3.2.6..5.54....91.......3.........6 | initial |
243618579875942613691735824512384967768591342439276185354867291126459738987123456 | solved |
level: simple
http://www.sudokuoftheday.co.uk/cgi-bin/sudoku1280.cgi?ACTION=archive2&USER=&MONTH=Mar&YEAR=2006, 20060315, hard