Logic Masters Deutschland e.V.

Bittersweet, by pmays123

• Place the digits 0-8 once in every row, column, and box.
• Region Sum Lines: Box borders divide blue lines into segments with the same sum. Different lines may have different sums.
• Bricks: Exactly one cell in every row, column, and box is a brick. Brick cells contain no digits, and if a brick cell sits on a line, then that cell no longer belongs to any line. Therefore, bricks may shorten a line or divide a region sum line into two new valid region sum lines (note: these new lines may have different sums). Valid region sum lines occupy at least two boxes.
• S-cells: Exactly one cell in every row, column, and box contains two digits. For the purposes of other constraints, the value of an S-cell is the sum of its two digits.
• Inequality Sign: The inequality sign points to the lesser of the two values it sits between. If a brick sits on one of these cells, then the inequality sign is ignored.

(note: solution check works when no digits are entered in bricks or S-cells)

Link to Puzzle: SudokuPad

Good luck, and I hope you have a beautiful day! :)