2.1.8 Mupad

A grade: { 4, 9, 14, 15, 19, 23, 27, 30, 33 }

B grade: { }

C grade: { }

F grade: { 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 16, 17, 18, 20, 21, 22, 24, 25, 26, 28, 29, 31, 32 }