Logic Masters Deutschland e.V.

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

Non-Consecutive: Digits in orthogonally adjacent cells may not be consecutive.

Quadruples: Digits in the white circle must appear in at least one of the four surrounding cells.

Bipolar Quadruples: In the yellow circle of the four digits, two digits cannot appear and the two other digits must appear in any of the four surrounding cells. Double digits may appear 0,1,or 2, times.

Solve CTC