Sudoku3D
Sudoku in three dimensions.
Nine boards connected in three dimensions — rows and columns continue across boards.
197362548286954713435871629371628495962543187854719236718296354623485971549137862
862549137354718296971623485629435871548197362713286954236854719495371628187962543
543187962719236854628495371485971623137862549296354718954713286871629435362548197
254938716671425389893167542542893167716254938389671425425389671167542893938716254
716254893938671425542389167167542389893716254425938671671425938389167542254893716
389716254425893671167542938938167542254389716671425893893671425542938167716254389
971623485862549137354718296713286954629435871548197362187962543236854719495371628
435871629197362548286954713854719236371628495962543187549137862718296354623485971
628495371543187962719236854296354718485971623137862549362548197954713286871629435