size	number	percentage of the total overlap number
1	0	0.00
2	0	0.00
3	0	0.00
4	0	0.00
5	1	7.69
6	0	0.00
7	1	7.69
8	0	0.00
9	0	0.00
10	1	7.69
11	0	0.00
12	0	0.00
13	0	0.00
14	0	0.00
15	0	0.00
16	2	15.38
17	1	7.69
18	0	0.00
19	2	15.38
20	2	15.38
21	1	7.69
22	1	7.69
23	1	7.69
