Logic Masters Deutschland e.V.

Rules:
• Irregular Sudoku Rules Apply. Each row, column, and irregular region must contain the digits 1-9
• Between Lines (Straight PURPLE Circles and Lines): The digits on the lines must be strictly in-between the digits filled in the circles, excluding the digits in the circles.
• Double Arrows (Straight GREEN Circles and Lines): The sum of the digits in the circles is equal to the sum of the digits on the attached line.
• The SMALL ORANGE coloured CIRCLES indicate BOTH cells are OPPOSITE parity (1x Odd, 1x Even).
• The SMALL PURPLE coloured DIAMONDS indicate BOTH cells are the SAME parity (2x Odd or 2x Even).

Links: CTC Link