Logic Masters Deutschland e.V.

• Normal Sudoku rules apply
• Shade some cells such that all shaded cells are orthogonally connected, all unshaded cells are orthogonally connected, and no 2x2 area is fully shaded or fully unshaded
• None of the low digits (1, 2 or 3) are in unshaded cells
• German whispers: adjacent digits on the green line (R3C4-R5C1) differ by at least 5
• Dutch whispers: adjacent digits on the orange lines (R2C7-R4C5 and R4C6-R7C7) differ by at least 4
• Renban: digits on the pink line (R7C3-R9C2) form a group of consecutive digits in any order
• Modular lines: any set of three adjacent digits along a teal modular line (R1C3-R3C1 and R6C9-R8C9) has three different remainders when divided by 3
• Every line contains either only shaded digits or only unshaded digits
• Digits separated by an X sum to 10

Play on SudokuPad

Good luck!