Maxima

A grade

{ 16 }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 2, 3, 6, 7, 8, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ 4, 5, 9, 13 }