Sudoku3D
Sudoku in three dimensions.
How to play
Nine boards connected in three dimensions — rows and columns continue across boards.
164423753256239978
314242343482
63172523436827
843752482753665288379461479316
3194762872841639785984391256
396147937146884733615982915628
59683134149538
461313529243
691239874314352785