Practice: ERROR, TRACE, CHEFB, MINEAT, PCJ18E, OETW, CHEFRES, OPPOSITE, TAPSY, TRIPPY
COOK95B: NUMCOMP
AUG18B: SPELLBOB, SHKNUM, PROBLEMS
PCJ2018: PCJ18A, PCJ18B, PCJ18C, PCJ18D
ISTS2018: TOURNEY, CHOCPAIR, DIGITSUM, DECODE
SEPT18B: MAGICHF, CHEFADV, XORIER
OCT18B: CHSERVE, BITOBYT, HMAPPY
NOV18B: CHFTIRED, CHHAPPY, PRDRG, HMAPPY1, MAGICHF2, PRITREE
JAN19A: DPAIRS, DIFNEIGH, EARTSEQ
FEB19A: CHEFING, ARTBALAN, MANRECT
MARCH19B: CHNUM, CHDIGER, JAIN, INTERLEA
APRIL19B: MAXREM, STRCH, FENCE, SJ1
JUNE19B: PROXYC, KS2, RSIGNS, CHFING, SUMAGCD
JULY19B: CHFM