Logic Masters Deutschland e.V.

Normal sudoku rules apply; i.e. the digits 1 to 9 need to be placed, once each, in every row, column, and 3x3 box.

Digits along an arrow must sum to the digit in that arrow’s circle.

The sum of digits along a "double arrow" line is equal to the sum of digits in the circles at either end of the line.

Cells separated by a black dot must be in a 2:1 ratio, Cells separated by a white dot must be consecutive.

Black Eyed Archery puzzle