51385213 reads; of these:
  51385213 (100.00%) were paired; of these:
    11913884 (23.19%) aligned concordantly 0 times
    28679948 (55.81%) aligned concordantly exactly 1 time
    10791381 (21.00%) aligned concordantly >1 times
    ----
    11913884 pairs aligned concordantly 0 times; of these:
      2306818 (19.36%) aligned discordantly 1 time
    ----
    9607066 pairs aligned 0 times concordantly or discordantly; of these:
      19214132 mates make up the pairs; of these:
        13254943 (68.99%) aligned 0 times
        3429510 (17.85%) aligned exactly 1 time
        2529679 (13.17%) aligned >1 times
87.10% overall alignment rate