team work grades for groupB                               
          unit 1     unit 2        unit 3      unit 4
         a b c d a b c d e f g a b c d e f g a b c d e
 max     3 3 3 3 3 3 3 3 3 3 5 3 3 3 3 6 3 3 3 6 3 3 6
0651-052 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0 3 3 3 3 0 0 0
0050-787 3 3 3 0 3 0 3 3 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0
2292-698 3 3 3 3 3 3 3 3 3 3 3 0 0 0 0 0 0 0 0 0 0 0 0
3863-634 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 3 3 3 0 6 3 3 1
4557-868 3 3 3 3 3 3 3 3 3 3 5 3 3 3 3 3 3 3 3 6 3 3 6
5294-536 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 2 3 3 3 4 3 3 2
3759-353 3 3 3 3 3 3 3 3 3 3 4 3 3 3 0 3 3 0 0 0 0 0 0
6245-016 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0217-396 3 3 3 3 0 3 3 3 0 0 5 3 3 3 0 3 3 3 0 0 0 0 0
8714-853 3 3 3 3 3 3 3 3 3 3 5 3 3 3 3 5 3 3 3 4 3 3 2
3769-158 0 3 0 3 3 3 3 3 3 3 0 3 3 0 0 0 3 0 0 0 0 0 0
3309-627 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 4 3 3 3 2 3 3 2
7421-181 3 3 3 3 3 3 3 3 3 3 5 3 3 3 3 6 3 3 3 6 3 3 2
1971-733 3 3 3 3 3 3 3 3 3 3 5 3 3 3 3 3 3 3 3 6 3 3 5
4564-397 3 3 3 3 3 3 3 3 3 3 0 3 3 3 3 0 3 3 0 0 3 3 0
8316-170 3 3 3 3 3 3 3 3 3 3 5 3 3 0 0 0 0 3 0 0 3 3 0
6944-789 3 3 3 3 3 3 3 3 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0
3543-698 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 1 3 3 3 0 3 3 0