06.05.2009, 15:53
The link is also useful, but I made an example specific to the variant with one 'loose' area, (with 9 or 10 'stand alone' cells that make up the last area).
Introducing words might be: look what cells push into a series of rows/ columns. What is in those cells must be also in cells that are pushed out of the same series of rows/ columns. Knowing this 'Law' can save a lot of time solving chaos/ jigsaw sudoku.
Introducing words might be: look what cells push into a series of rows/ columns. What is in those cells must be also in cells that are pushed out of the same series of rows/ columns. Knowing this 'Law' can save a lot of time solving chaos/ jigsaw sudoku.