Practice: MAXDIFF, CHEFST, NOKIA, EXTRAN, ALTARAY, PRIME1, NUMGAME2, RIGHTRI, RESQ, PCYCLE, XORSUB, GRANAMA, SALARY, SUMPAIR, CHCOINSG, SEACO, TOTR, CPLAY, GIT01, CHEFHAM, VK18, ANUMLA, OPC1703, BTAR, FBMT, CHEFEXQ, CARRAY, TRACE, SBSTR, PLUS, AMR15D, GRAPHAND, ICL1901, ICL1905, ICL1906, KLPM, HMAPPY1, HMAPPY, SURCHESS, SLIS, ATTND, FASTFOOD, MINARRS, FAPF, ADASCOOL, ADAKNG, PAJAPONG, SILLYPRS, DPERM, CCIRCLES, PAIRCLST, TAQTREE, BDGFT
ZCOPRAC: ZCO14002
SEPT17: MINPERM, CHEFSUM, CHEFPDIG
ACJQ2017: ATMOQ1
JAN18: KCON, MAXSC, RECTANGL, PRTITION, STRMRG
MARCH18B: XXOR, MINVOTE, MINEAT, MIXCOLOR, BIGSALE, CHEGLOVE, PSHTRG