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Keybase proof

I hereby claim:

  • I am kstigs on github.
  • I am kstigs (https://keybase.io/kstigs) on keybase.
  • I have a public key ASASzVPr0mXvQA_MN83rI4fQIUPHXzBngShDJLqsJT7e-Ao

To claim this, I am signing this object:

#!/usr/bin/env python
def solve(puzzle):
i = puzzle.find('0')
if i == -1:
return puzzle
excluded_num_set = set()
for j in range(81):