Practice: BINGCD, AVGSORT, STRPERM, MAKEQUAL, REMOVEADD, WBLACK, SUB7NUM, ABITEZ, ANTIKNAPSACK, ROME, BINMIS
MARCH21C: NOTIME, IRSTXOR, SPACEARR, COLGLF4, GROUPS, MAXTOPO, PAPARAZI, CONSADD
SEPT21C: MNDIGSUM, PALINT, SHUFFLIN, TRAVELPS, AIRLINE, POINTMEE, TREHUNT
LTIME100B: SOD3, ALBOFACE, UNQEQ
SNCKQL21: LUCKYNUM
START49B: VALIDMIN, HIGHFREQ, MONKS, SPLSTR, FARHOSTEL
START50B: PERMGCD, AVGPERM, BLIMP, SUMPRODSEG