31933207 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
31933207 + 0 mapped (100.00%:-nan%)
31933207 + 0 paired in sequencing
16682859 + 0 read1
15250348 + 0 read2
15646664 + 0 properly paired (49.00%:-nan%)
29945840 + 0 with itself and mate mapped
1987367 + 0 singletons (6.22%:-nan%)
549534 + 0 with mate mapped to a different chr
319572 + 0 with mate mapped to a different chr (mapQ>=5)