10 Apr
2012
10 Apr
'12
10:22 p.m.
I'm developing a puzzle that will use solved sudoku as a starting point. My question is, looking a a solved sudoku, you can make any predictions about what kind of standard sudoku puzzles might be associated with it? For example, is there anything special about the boards that arise from the really hard puzzles, or puzzles that have unique solutions starting from very few fixed positions?