546..
.3...
.1...
.2...
.....
645..
.2...
.1...
.3...
.....
546..
.3...
.1...
.2...
.....
231..
.4...
.6...
.5...
.....
635..
.4...
.2...
.1...
.....
361..
.5...
.4...
.2...
.....
342..
.6...
.1...
.5...
.....
356..
.1...
.4...
.2...
.....
315..
.2...
.6...
.4...
.....
514..
.3...
.2...
.6...
.....
261..
.5...
.3...
.4...
.....
426..
.3...
.5...
.1...
.....
532..
.6...
.1...
.4...
.....
152..
.6...
.4...
.3...
.....