Renban Arrow Fillomino
(Published on 14. September 2026, 01:07 by Oddlyeven)
This was made for Round 4 of The Skunkworks League - Season Two. We had to make a puzzle using only arrows in the grid.
Fillomino: Divide the grid into polyominoes (orthogonally connected regions) such that no two polyominoes of the same size share an edge. Fill each cell of a polyomino with a number equal to its size (if the number is greater than nine, enter the ones digit in the grid for the answer check).
Renban Arrows: A number N in a cell with an arrow indicates that there is a straight line N cells long starting in the cell and extending in the direction of the arrow. This line acts as a renban line: It consists of a set of consecutive, non-repeating numbers in some order. Each line is at least two cells long. Lines from different arrows may overlap. Consider multiple arrows in the same cell separately.
Links:
SudokuPad: https://sudokupad.app/n2r0e0040k
Solution code: Numbers in row 10, left to right, no spaces.
Comments
on 14. September 2026, 17:09 by Franjo
Thank you very much for creating and sharing this fantastic Fillomino. Nice twist with the Renban Arrows!
on 14. September 2026, 17:07 by mathpesto
Very fun and approachable!
on 14. September 2026, 11:27 by amirs
Lovely!
on 14. September 2026, 10:44 by Christounet
Very fun! Thanks :)
