Logic Masters Deutschland e.V.

Modular Hash

• Sudoku: Place the digits 1-9 once each in every row, column and box.
• Killer Cages: Digits in a cage sum to the total given in the top left corner of the cage.
• XV: Digits separated by a V sum to 5 and digits separated by an X sum to 10. Not necessarily all V's and X's are given.
• Global modulo 3: Every 2x2 square of cells must contain a digit from each residue mod 3 i.e. a digit from (1,4,7), a digit from (2,5,8) and a digit from (3,6,9).

Play in SudokuPad