Sorry for posting in english, but I don't know italian, and I don't want to risk using translator
I have taken the test, but I was stuck with the "SERIALE" one - I did it 3 times, but each time I had an error in the same place. It seems for me like there's a missing "consecutive mark" between R3C5 and R4C5 (the two cells above middle "2"). If someone could post a solution, or just assured me that I'm wrong, I'd be really thankful
PS. I finished all the other puzzles (barely in time, but I haven't sent solution due to being mad:) ), and I really enjoyed the puzzles this time

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