Practice: COINS, PRIME1, TWTCLOSE, TREEROOT, NUMFACT, FLIPCOIN, PALIN, ARRAYTRM, MIXTURES, SEAVOTE, AND, ONEKING, TAAND, NOKIA, TASHIFT, RRFRNDS, ANUMLA, MULTQ3, ABCSTR, SUBLCM, LPAIR, TSHIRTS, CHRL1, KNPSK, PALPROB, CLOSESTQ, XRQRS, TEAMSEL, CHEFAOR, COVERING, MONSTER, PPERM, GERALD07, FNCS, CHANOQ, CHEFFIB, MKSTR, OETW, FUNCTION, MMC, MAXTAX, TRDST, XORMIN, CCC, WARTLND, EQAVG, BOFS, BOFP, SLIS, HXR, CHSTR
JULY17: PSHTTR, NITIKA, CHEFSIGN, CALC
AUG17: CHEFFA
SEPT17: CHEFSUM, MINPERM, CHEFPDIG, SEACO, FILLMTR
OCT17: CHEFGP, MARRAYS, CHEFCCYL
COOK92B: CO92MATR, CO92JUDG, CO92SUBW
OCT18A: HMAPPY, MINDSUM, SURCHESS, BBRICKS
APRIL19A: CHEFOFR
LTIME74B: DELARRAY, RPD, SFRV, TWOLANE
AUG19A: CHEFDIL, KS1, MAXEXPR, ENCODING, CHGORAM
SEPT19A: DOOFST, EXPGCD, LAPD, CHEFK1, DODGERS, FUZZYLIN
COW42020: COW3A