Logic Masters Deutschland e.V.

Rules for solving:

- Normal sudoku rules apply - Place digits 1-9 once each in every row, column and 3x3 box

- Digits separated by a white dot are consecutive, digits separated by a black dot are in a 1:2 ratio, ie. one digit is double the other. Not all dots are given

- Digits in cages don't repeat and sum to the given total in the upper left corner

- Digits on an arrow sum to the digit in that arrow's circle

- Digits in large white circles must appear at least once in the surrounding 4 cells

Puzzle:

Sudokupad