Practice: CHEFAOR, XORSUB, TELEPORT, AMCOINS, BOFS, SUBINVER, XRGRD, FOURSQ, DGTCNT, HLD, XORGM, CYCLCSUM, PEPPERA, CHFDIV
LTIME77B: HIT, INVZCNT, INVYCNT, BOXGAM97
LTIME80B: STFOOD, BFRIEND, POPTUNNL, CARR, PAPER
LTIME81A: SWAPPALI, SECRETMI, MONSTBAT, PAINTERP, CORTREE
MARCH20A: EGGFREE, GOODSEGS, LAZER, MDSWIN2, CHEFDAG, LAZERTST, BREAK, INVXOR, ADANTS