Subject Paper Computer Diff 1 5 2 3 2 4 3 1 3 4 4 0 4 7 8 -1 5 4 5 -1 6 6 7 -1 7 4 3 1 8 6 8 -2 9 6 5 1 10 2 3 -1 11 6 5 1 12 5 5 0 13 3 7 -4 14 3 6 -3 15 4 4 0 16 2 3 -1 17 7 10 -3 18 8 7 1 19 4 6 -2 20 6 8 -2