Logic Masters Deutschland e.V.

Place the digits 0-9 once each into every row, column and region. Parity lines: Along a red line, adjacent digits must alternate between odd and even. German whispers: adjacent digits on a green line must differ by at least 5. Renban: purple lines must contain a set of consecutive digits in any order. Dutch whispers: adjacent digits on an orange line must differ by at least 4. Modular lines: each set of three sequential cells along a teal line must contain a complete set of residuals modulo 3: one from (0, 3, 6, 9), one form (1, 4, 7), and one from (2, 5, 8). Little Killers: Digits along marked diagonals sum to the indicated value outside of the grid.

Solve online here: SudokuPad Puzzle

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