Giac

A grade

{ 4, 5, 6, 7, 9, 11, 16 }

B grade

{ 1, 2, 3, 8, 10, 12 }

C grade

{ }

F normal fail

{ 13, 14, 15, 17, 18, 19 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }