Normal sudoku rules apply. Each purple line contains a set of non-repeating consecutive digits arranged in any order. Digits along blue lines have the same sum in each 3x3 box they pass through eg r5c7 + r6c7 = r7c8 + r8c7 = r7c5 + r7c6.
Normal sudoku rules apply. Each purple line contains a set of non-repeating consecutive digits arranged in any order. Digits along blue lines have the same sum in each 3x3 box they pass through eg r5c7 + r6c7 = r7c8 + r8c7 = r7c5 + r7c6.