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- \$\begingroup\$ So far it is the only entry that gets the most optimal solution every time. I'd argue it is a better last-place reference solution too. In fact, I'm not convinced that there is actually a better way that guarantees to get an optimal solution in every case, and so far no-one else has proven otherwise. \$\endgroup\$user– user2014-04-25 15:08:19 +00:00Commented Apr 25, 2014 at 15:08
- 1\$\begingroup\$ Until you can actually find the exact number of steps it will take, I can't accept this solution even if it is (theoretically) the best one. \$\endgroup\$Joe Z.– Joe Z.2014-04-25 15:43:01 +00:00Commented Apr 25, 2014 at 15:43
- \$\begingroup\$ Also, the grid size is 19, not 9. \$\endgroup\$Joe Z.– Joe Z.2014-04-25 15:43:29 +00:00Commented Apr 25, 2014 at 15:43
- \$\begingroup\$ Okay, I fixed the grid size. Does anyone know how to calculate the theoretical minimum number of steps required? \$\endgroup\$user– user2014-04-26 08:40:57 +00:00Commented Apr 26, 2014 at 8:40
- \$\begingroup\$ Nope. You'd have to use a program to solve for it, which is what you have right now. \$\endgroup\$Joe Z.– Joe Z.2014-04-26 14:04:11 +00:00Commented Apr 26, 2014 at 14:04
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