Giac

A grade

{ }

B grade

{ 6, 7, 11, 12 }

C grade

{ }

F normal fail

{ 14, 15, 16, 17, 18, 19, 20, 21, 22 }

F(-1) timedout fail

{ 8, 9 }

F(-2) exception fail

{ 1, 2, 3, 4, 5, 10, 13 }