I have a similar issue. I have entries in boxes 1,3,10,14A, 14C, 19A, 20A, 20Z, and 20AH where the letters are codes. The 20Z and 20AH have supplemental pages with several numbers on them. I am at a total loss, even if I separate boxes 1 and 3 into separate K-1s. Any help is appreciated.
