Logic Masters Deutschland e.V.

• Normal sudoku rules apply: Place the digits 1-9 once each in every row, column, and 3x3 box.
• Masyu: Draw an orthogonally connected loop through some cells which does not touch itself, even diagonally, and which passes through every circle.
• The loop must turn on black circles and travel straight through the cells on either side. Also, the digit in a black circle must be in a 1:2 ratio with both of its immediate neighbors on the loop.
• The loop must go straight through white circles, and turn in at least one of the cells on either side. Also, the digit in a white circle must be consecutive with both of its immediate neighbors on the loop.
• Region borders divide the loop into segments with equal sums.

Solve in SudokuPad