Borescoper's Deadly Pattern Type 4
Borescoper's Deadly Pattern Type 4: Assumes a pattern that would break the single solution, and prevents it.
How it works on this board
Assuming the target completes a swappable deadly pattern
2
8
4
3
5
4
6
1
4
7
1
7
4
6
7
9
5
4
8
1
5
4
1
2
7
9
6
4
8
7
5
7
9
2
9
8
No marks yetPosition 0 / 2