Item offsets
(Item amt in game) / 4 = q (quotient) & r/s/t (remainder); q in hex; r/s/t:0=0/1/2, 1=4/5/6, 2=8/9/A, 3=C/D/E; yy - preceding item's last byte
Items are saved in '3' bytes. First byte and first digit of preceding items last byte determines what the item is. Second byte and last byte...