Logic Masters Deutschland e.V.

Each digit, 1-9, appears exactly once in each row, column, and 3x3 region.

Renban: Each pink line contains a set of consecutive, nonrepeating digits in any order.

Nonconsecutive: Consecutive digits cannot touch Orthagonally.

Minimum: The digit in R1C1 is less than each of its orthogonal neighbors.

Puzzle Link