This is cutadapt 2.10 with Python 3.6.7
Command line parameters: -j 1 -a AGATCGGAAGAGC -q 20 -m 36 -O 3 -o fastq/zr1394_16_s456.fastq.gz zr1394_16_s456.fastq.gz
Processing reads on 1 core in single-end mode ...
Finished in 2014.26 s (27 us/read; 2.25 M reads/minute).

=== Summary ===

Total reads processed:              75,450,315
Reads with adapters:                   403,048 (0.5%)
Reads written (passing filters):    74,948,204 (99.3%)

Total basepairs processed: 3,791,761,278 bp
Quality-trimmed:               4,327,306 bp (0.1%)
Total written (filtered):  3,771,850,595 bp (99.5%)

=== Adapter 1 ===

Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 403048 times

No. of allowed errors:
0-9 bp: 0; 10-13 bp: 1

Bases preceding removed adapters:
  A: 27.8%
  C: 2.0%
  G: 33.0%
  T: 37.2%
  none/other: 0.0%

Overview of removed sequences
length	count	expect	max.err	error counts
3	317779	1178911.2	0	317779
4	66050	294727.8	0	66050
5	10402	73681.9	0	10402
6	960	18420.5	0	960
7	2933	4605.1	0	2933
8	1094	1151.3	0	1094
9	602	287.8	0	66 536
10	1198	72.0	1	9 1189
11	374	18.0	1	39 335
12	182	4.5	1	1 181
13	69	1.1	1	0 69
14	71	1.1	1	0 71
15	90	1.1	1	0 90
16	235	1.1	1	0 235
17	515	1.1	1	0 515
18	381	1.1	1	0 381
19	42	1.1	1	0 42
20	12	1.1	1	0 12
21	4	1.1	1	0 4
22	4	1.1	1	0 4
23	1	1.1	1	0 1
24	5	1.1	1	0 5
25	4	1.1	1	0 4
26	3	1.1	1	0 3
27	13	1.1	1	0 13
28	2	1.1	1	0 2
29	9	1.1	1	0 9
30	2	1.1	1	0 2
31	4	1.1	1	0 4
32	4	1.1	1	0 4
33	1	1.1	1	0 1
34	1	1.1	1	0 1
35	1	1.1	1	0 1
36	1	1.1	1	0 1