I felt a bit like a monkey in a perverse behavioral psychology experiment yesterday, clinking away in search of the elusive 75% -- I never found that, but I did get a variety of others (along with innumerable 10% and 20%).
55% NQDZ86 PAP5SL LU5VFZ 8ZJJXP PT8MAA QGZE3M JGZNAK GZXS3R
45% 3CY2CM VMTA2T BWNY4Q 9S89YL
35%