Continuous Nice Loop
Closing the loop makes each link an either-or constraint, ruling out candidates incompatible with it.
How it works on this board
Closing the loop makes exactly one end of every link true
5
2
5
9
3
2
9
6
5
7
6
4
5
9
1
6
9
1
8
5
8
6
2
3
6
1
4
7
6
No marks yetPosition 0 / 2