42135363 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
42135363 + 0 mapped (100.00%:-nan%)
42135363 + 0 paired in sequencing
21579809 + 0 read1
20555554 + 0 read2
21012502 + 0 properly paired (49.87%:-nan%)
40412182 + 0 with itself and mate mapped
1723181 + 0 singletons (4.09%:-nan%)
761276 + 0 with mate mapped to a different chr
355370 + 0 with mate mapped to a different chr (mapQ>=5)