French Forum Puzzle #283

Everything about Sudoku that doesn't fit in one of the other sections

Postby eleven » Sun Oct 26, 2008 8:29 am

ronk wrote:I wasn't finished

As a manual solver i can say, that i did not study those forcing nets (or whatever they are called) above - the puzzle is just too hard for my taste. But differently to denis_berthier's solution i would be able to understand them without any previous knowledge.

But what the hell is an nrczt-whip-rc ? Can anybody say, that learning this was good invested time for improving the skills for manual solving ?
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