Practice: CANCHEF, INSTDUM, EPANLNK, CRZBISHOP, MAXANDOR
OCT21C: MIXTURE, ANDSUBAR, MEXOR
SNCKQL21: LUCKYNUM, TESTSERIES
SNCK1A21: DANCEMOVES
LP1TO201: CHFRICH, MAX_DIFF, VDATES, IMDB, HOOPS, TWODISH
START69C: CHEFDINE, PERMUTATION, DISTINCTSEQ
START81D: SUNNYDAY, MAXCAP, BOOKPAGES, DISTMAT
START82D: CANDIVIDE, REACH_HOME, OPMIN, MAKE_AB_SAME, MATDIF, FIND_X
START88C: LARGESECOND, COUNTSUB