10
..62.
.31..
45...
.....
.....

..36.
.51..
42...
.....
.....

..5..
.21..
46...
.3...
.....

.1...
.352.
64...
.....
.....

..5..
423..
..16.
.....
.....

...3.
5216.
4....
.....
.....

.6...
3145.
..2..
.....
.....

..1..
2635.
4....
.....
.....

.3...
.52..
.4...
61...
.....

.2...
.35..
16...
.4...
.....