Dutch Flat Mates - Ten or Eleven
- Dutch flat mates
- Flat mates
The brief
Normal Sudoku rules apply.
5's live in Dutch Flats: Every 5 in the grid must have a '1' directly above it or a '9' directly below it. It may have both, but it doesn't need both.
Ten or Eleven: Adjacent cells along a coloured line sum to 10 or 11.