Normal sudoku rules apply (fill each row, column, and 3x3 box with the digits 1-9 once each).
Renban lines: Purple lines contain a non-repeating set of consecutive digits in any order.
Region sum lines: Box borders divide each blue line into segments with the same sum.
Solve here: SudokuPad or click the image to play!
Solution code: Row 9 from left to right.
on 20. April 2026, 04:20 by macintux
Feels more like a 1 star puzzle, but the break-in might not be particularly obvious. Very fun puzzle thanks.