del_size	fq
0	10733
-1	86
-2	93
-3	1324
-4	51
-5	21
-6	292
-7	0
-8	9
-9	27
-10	0
-11	5
-12	13
-13	0
-14	31
-15	11
-16	11
-17	7
-18	0
-19	28
-20	0
-21	9