0,023187 ms: 023_0837_XXXX__SOD_MASKED.msk
(or 0,000023 seconds)

Some of NotLKH's sudokus are too easy In the other hand it is good to test the easy ones too, that is one of the things that make the difference when the final tests are done.

Hardest for my solver in NotLKH's newest set:
147,824374 ms: 023_0807_XXXX__SOD_MASKED.msk
(or 0,147823 seconds)


Total time to solve all 532 sudokus: 1,695153 seconds