Practice: FN, BINARY, ADAPWN, CHEFK1, FUZZYLIN, EXPGCD, PSUM
MAY19B: REDONE, WTBTR, MATCHS, ADAROKS2, BINARY, TREDEG
JULY19B: CHFM, MMAX, PRTAGN, CIRMERGE, GUESSPRM, CCC, CHFWAR
NOV19A: PHCUL, LSTBTF, WEIRDO, FAILURE, MDSWIN, TRICOL
DEC19A: BINXOR, BINADD, CHFRAN, STICNOT, BINOFEV, APAIRS, TESTGEN