Really good puzzles! One problem with a part 3 puzzle, got to https://docs.qq.com/sheet/DTkZVUmRTR0ZTaXN0?tab=BB08J2 and found out that there are multiple ways to fill in the white-marked places in the question-marked regions to make the solution unique, checked the official solution and found out that some white-marked places still seem to have multiple possibilities (see https://docs.qq.com/sheet/DTkZVUmRTR0ZTaXN0?tab=tujkfz), am I missing something?
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Oh my god i should have seen this coming, to keep the puzzle smaller i moved the bottom 12 clue up one cell but forgot to consider this
The idea was pretty much all of these solutions would fail through uniqueness in the bottom left, but by moving the clue one cell up i prevented that from happening, sorry about that