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by rpadovani 1354 days ago
Yap, and that has been refuted:

> No, in Sudoku, the constraint of a "unique solution" is that a valid puzzle (i.e. an incomplete grid) must only have one correct way of being filled in without violating the rules.

My answer is to the answer to the above comment:

> Then the maximum number of solveable puzzles must be the maximum number of unique grids