xx9xxxxxx
52xxxxx1x
xxx9x6x23
83xxx4xx7
4xxx9xxx2
7xx3xxx45
96x4x5xxx
x4xxxxx39
xxxxxx5xx
+-----------------------+
| . . 9 | . . . | . . . |
| 5 2 . | . . . | . 1 . |
| . . . | 9 . 6 | . 2 3 |
|-------+-------+-------|
| 8 3 . | . . 4 | . . 7 |
| 4 . . | . 9 . | . . 2 |
| 7 . . | 3 . . | . 4 5 |
|-------+-------+-------|
| 9 6 . | 4 . 5 | . . . |
| . 4 . | . . . | . 3 9 |
| . . . | . . . | 5 . . |
+-----------------------+
c5b8 Locked Candidate 2 <> 7 [r8c46],[r9c4]
r8 b8 Locked Candidate 2 <> 7 [r9c45]
UR Type 1 [r79c38] <> 78 [r9c8]
679213458523748916184956723832564197456197382791382645968435271245671839317829564