nice, solved it in about half an hour. At first it looked impossible past the first maybe 5 free characters. I feel like there were a lot of characters that had

nice, solved it in about half an hour. At first it looked impossible past the first maybe 5 free characters. I feel like there were a lot of characters that had to be solved sudoku-style by holding up to 4 constraints in mind at the same time, which was tricky.