Maxima

A grade

{ 3 }

B grade

{ 7, 9, 13, 15, 19, 21, 25, 26, 27, 31, 32, 33, 36, 37, 38, 39, 42, 43, 44, 47, 48, 52, 53, 57, 58, 59, 62, 63, 64 }

C grade

{ }

F normal fail

{ 1, 28, 49, 54 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ 46 }