163..
.2...
.5...
.4...
.....
145..
.6...
.3...
.2...
.....
125..
.4...
.6...
.3...
.....
163..
.2...
.5...
.4...
.....
264..
.3...
.5...
.1...
.....
4 5
3
2
1 5
1 4