COOK01: BUILDING, BWKNIGHT, RIPPLE
COOK06: CHEFTEAM, HOLES, WINDOW2, DIVNODIV
COOK08: MONTRANS, SNAKY, GROUPING, PALIPALI
COOK09: MIME2, PRIMES2, COOKOFF2
COOK11: KNIGHTMV, SUPERPLN, ARITHPR
COOK14: DIGROT, HOTEL, LASTDIG
COOK15: TRAVELER, GENARSEQ, NONPALIN, LAMQUGAM
COOK16: SUBANAGR, MVCOIN, COLCHAIN, GRAPLANE
COOK17: CIELAB, CIEL8STR, CIELQUIZ
COOK18: KSUBSUM, COLLIDE, TAKEAWAY, FALLDOWN, FLOORSMV
COOK20: CIELNUM2, CIELNUM1, CIELLAND, CIELGAME
PRDM2012: IITI00, IITI03, IITI02, IITI01, IITI04, IITI05
COOK21: BESTBATS, PAINTING, RESIST, TMRATING, TRAINING
MAY12: CHEFHOME, CHEFLUCK, STONES, TWSTR, DIVPAIR, MEDIAN, DIGFORST, LEBOXES, TICKETS, CKROACH
COOK22: LUCKYSTR, LUCKYBAL, LUCKYSWP
COOK23: TWTCLOSE, NOKIA, GROWGOLD, OLYMPIC, DOWNLOAD
JULY12: DGCD, EST, SAD, RRATING, DREAM, CSUMD, GRAYSC, LEBOBBLE, FAVNUM, ADDCHAIN
COOK25: NOCODING, YNOUTPUT, CHEFPASS, LEBINARY, UNFRIEND
COOK26: CARVANS, COALSCAM, RRECIPE, PPERM, PTOSS
OCT12: DIAMOND, DRGNBOOL, MAXCOMP, NEWSCH, BMASTER, LUCKY10, TEAMSIZE, MAXRECT
COOK27: BUYING2, TOURNAM, EQUALIZ, TREEFUN
COOK29: DIRECTI, MUFFINS3, EXGCD
COOK30: CIELDIST, MANYCHEF, DEFACING
COOK33: AMMEAT, AMMEAT2, AMSTRING, LEFEED, AMBALLS