cutadapt version 0.9.3
Command line parameters: -a ATCTCGTATGCCGTCTTCTGCTTG -m 16 -M 28 -o 2_cutadapt/s_1_uT21.fastq.cut.fq data/s_1_uT21.fastq
Maximum error rate: 10.00%
   Processed reads: 95803789
     Trimmed reads: 75044517 ( 78.3%)
   Too short reads: 17754238 ( 18.5% of processed reads)
    Too long reads: 26291270 ( 27.4% of processed reads)
        Total time:   2707.14 s
     Time per read:      0.03 ms

=== Adapter 1 ===

Adapter 'ATCTCGTATGCCGTCTTCTGCTTG', length 24, was trimmed 75044517 times.

Histogram of adapter lengths
length	count
3	430561
4	595758
5	878581
6	1199179
7	2427919
8	3604930
9	3866949
10	3808877
11	2456615
12	3011420
13	14517145
14	11523195
15	3523130
16	3724360
17	658489
18	438983
19	325795
20	292016
21	149290
22	139468
23	126003
24	17345854