Practice: XRQRS, L56KTH, LVGFT, BORDER, AFK, IOPC1215, CHEFTRVL, PAIRCLST, TULIPS, BJUDGE, CSUBSQ, YVSTR, BESTPATH, GRAPHCNT
MARCH18A: GCDCNT, PSHTRG, MINVOTE, XXOR, MIXCOLOR, EMBDTREE
MAY18A: RD19
OCT18A: BBRICKS, MINDSUM, SURCHESS, HMAPPY
DEC18A: CBFEAST, MAXEP, INTXOR, EDGEDIR, DLDAG