Practice: DX, GCD2, FACTSUM, COINS, TAUT, PRIME1, MARBLES, POUR1, MIXTURES, STABLEMP, C5, TETRA, SOLDIER, E4, E5, D4, C1, E3, ORDERS, CUBESUM, C4, E1, EASYPROB, POKER, TSORT, SUMTRIAN, ONP, FCTRL2, FCTRL, NOTATRI, D1, D6, NUMSUM, J6, J5, J1, J2, J7, BUTTONS, INSOMA3, INSOMB4, INSOMA4, TEAMSEL, MMADNESS, DDILEMMA, ARRANGE, STREDUC, CLUE, DIGITS, PAIRSUM, MARCHA4, ESCAPE, PHOTOS, RACELANE, OVENTIME, COOKOFF

MARCH09: A1, AX

APRIL09: BX

MAY09: C2, C4, C1, C5, C3, CX

JUNE09: D1, D6, D2, D3, D4, DX

AUGMINI: NSUDOKU

OCT09: H1

NSIT091: NSIT13, NSIT14, NSIT15, NSIT11

INS09: INS0902

NOV09: J7, J2, J1, J5, J6, JX

DEC09: K1, K2, K3

JAN10: L3, L4, L1, L2, LX

ENC2010: ENCD09, ENCD05, ENCD11, ENCD06, ENCD02, ENCD12, ENCD01

TBS101: CMB03, CMB04, CMB01, CMB02

QCJAM10: QCJ6, QCJ2, QCJ5, QCJ1

FEB10: M1, M3, M4, MX

MARCH10: N1, N3, N4, N5, N2, NX

ALGOTH10: FACTSUM, AD2, AD1, AD4, AD3

MINDB10: SSORT, POKER

APRIL10: ADDFRAC, TRIP, TSPAGAIN, REVERSED, LIGHTING, FLOOD

MAY10: TR1, NICEQUAD, SUMSLOPE, DORADM01

JUNE10: PRIMPATT, SQUIRREL, TR2, POSTERS, GRAPHCT, TOLLS

JULY10: HAPPY, ARRANGE2, VOTING, MAXCROSS, BLOCKS

COOK01: RIPPLE, BWKNIGHT

SEPT10: TREES, MULTQ3, BYTESHOP, FIRE

OCT10: COUNTPAL, LOGGERS, STREDUC, CLUE, INTCOMB

ALKH10: MDLREN, MAXSUM, ICGO

LMDPLA10: SC, ALNPD, PAINT, CRZMNR

NOV10: BOMBING, BALANCED, OVENTIME, GRIDCHEF, CIRCUITS, GRAPHCH

COOK04: RECIPE, KNIGHTS, LIFE

COOK06: HOLES, CHEFTEAM, WINDOW2

FEB11: GLASS, MSTONES, BOGOSORT, RUSHHOUR, TERM, THREECLR