Logic Masters Deutschland e.V.

RULES

Normal sudoku rules apply. Place the digits 1-9 without repeating in each row, column, and box.

Digits must not repeat on the marked diagonal.

Sandwich - Clues outside the grid indicate the sum of the cells between the 1 and 9 in that row or column.

Renban - Digits on a pink line are a consecutive run of digits, but may be rearranged along the line.

Arrow - Digits along a gray arrow sum to the digit in the attached circle.

Double Arrow - Digits along a red line will sum to the sum of the digits in the circle on either end.

Solve on SudokuPad