Logic Masters Deutschland e.V.

-Normal sudoku rules apply.

-Brown and Red lines are Renban lines. This means each line contains a set of consecutive, non-repeating digits, in any order.

-Little killer rules apply. Digits along the indicated diagonal sum to the given total, and digits may repeat.

-Identical digits cannot be a knight's move apart.

-Pairs of cells with X or V sum to 10 or 5, respectively, with no negative constraint.

Puzzle Link

Colorless Version