TESTS FAIL. Reimplemented the first part of chainSearcher. I'm more confident that the basic logic is right becuase the recursion is much more straight forward.
TESTS FAIL. Reimplemented the first part of chainSearcher. I'm more confident that the basic logic is right becuase the recursion is much more straight forward.

jkomoros/sudoku,jkomoros/sudoku,jkomoros/sudoku