On Mon, Mar 30, 2015 at 2:16 AM, Dave Angel <da...@davea.name> wrote: > The relationship between row, column and box can be rearranged. Some of > these are already covered by the rotations proposed earlier, where for a 90 > degree rotate, row becomes column and column becomes row. But in a similar > way each box could become a column, and so on.
I don't think this one is valid. The intersection of a row and a column is one cell. The intersection of a row and a box is three cells. If you swap a column with a box, you're changing the relationships between the squares and the result will not be isomorphic to the original. -- https://mail.python.org/mailman/listinfo/python-list
