level: simple
.......233...1.......5...6.4.....7.....1.6......2......92...1......4.8...6....... | initial |
619487523325619478748523961456398712287156349931274685892765134173942856564831297 | solved |
level: simple
See http://forum.enjoysudoku.com/17-clue-puzzles-t32953.html