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