1-0-2-3-4-5-6 | | d≠0 |
1-0-2-3-4-5-7-8-9 | | no unvisited neighbour |
1-0-2-3-4-5-7-9-8 | | no unvisited neighbour |
1-0-2-3-4-7-5-6 | | d≠0 |
1-0-2-3-4-7-8-9 | | no unvisited neighbour |
1-0-2-3-4-7-9-8 | | no unvisited neighbour |
1-0-2-3-4-8-7-5-6 | | d≠0 |
1-0-2-3-4-8-7-9 | | no unvisited neighbour |
1-0-2-3-4-8-9-7-5-6 | | ✓ |
Repeat on your own with src=0 and dest=6
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