insertz - complete
jumpfurther - complete
threecolorabilityeasy - complete
teamsselection - complete
piecewiselinearfunctiondiv2 - complete
stringweightdiv2 - complete
lisnumberdivtwo - complete
trafficcongestiondivtwo - complete
enclosingtrianglecolorful - complete
topfox - complete
egalitarianism - complete
excavations2 - not started