2.1.6 Giac

A grade

{ 23, 24, 25, 27, 28, 32, 33, 35 }

B grade

{ 1, 2, 3, 4, 6, 7, 8 }

C grade

{ }

F normal fail

{ 5, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 26, 29, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }