Contents
level: simple
.....31.26.........79.......5.3......4..1.8..2...5.6.35....23.8...9...1..1...7... | initial |
485693172632471589179825436758364921346219857291758643567142398824936715913587264 | solved |
level: simple
http://www.sudokuoftheday.co.uk/cgi-bin/sudoku1280.cgi?ACTION=archive2&USER=&MONTH=Jan&YEAR=2006, 20060101, hard