Logic Masters Deutschland e.V.

Place the digits 1 to 7 in each row, column and 7-cell orthogonally connected region. Regions must be determined by the solver.

Clues outside the grid indicate the sum of the digits within the region with the highest sum on the indicated diagonal. The sum might be reached by more than one region.

Digits on an arrow sum to the digit in the attached circle.

I made a 4x4 example for a better understanding of the rules that you can try here : 4x4 example



Play the actual puzzle :Sudokupad