Logic Masters Deutschland e.V.

Rules:

• Normal 6x6 sudoku rules apply.
• Each of the following constraint types may contain no repeated digits anywhere in the puzzle. E.g., if a purple line contains a 5, then no other purple line in the puzzle may contain a 5:
  1) Digits on a purple line must be consecutive.
  2) Any set of three digits along a turquoise line must have at least one digit from each of the following sets: (1, 4), (2, 5), (3, 6).
  3) Digits in cells separated by a V must sum to 5.
  4) One digit is double the other in cells separated by a black dot.
  5) A blue square must contain an even digit.