4x4, 6x6, 9x9, 12x12 and 16x16 Sudoku with multiple Split support. Classic and other Sudoku boards from simple to master levels. Override previously entered values, Split support up to 32 configurations, Undo. Enjoy NP-Complete Challenge. Tiny = 4x4 Baby = 6x6 Classic = 9x9 Mega = 12x12
