gdeploy created a non-optimal replica 2 volume layout

Issue

non-redundant replica pairs were created:

Volume Name: PPP
Type: Distributed-Replicate
Volume ID: 00000000-0000-0000-0000-000000000
Status: Stopped
Snapshot Count: 0
Number of Bricks: 16 x 2 = 32
Transport-type: tcp
Bricks:
Brick1: XXX.XX.XX.1:/gluster/brick1/brick1
Brick2: XXX.XX.XX.1:/gluster/brick2/brick2
Brick3: XXX.XX.XX.1:/gluster/brick3/brick3
Brick4: XXX.XX.XX.1:/gluster/brick4/brick4
Brick5: XXX.XX.XX.1:/gluster/brick5/brick5
Brick6: XXX.XX.XX.1:/gluster/brick6/brick6
Brick7: XXX.XX.XX.1:/gluster/brick7/brick7
Brick8: XXX.XX.XX.1:/gluster/brick8/brick8
Brick9: XXX.XX.XX.2:/gluster/brick1/brick1
Brick10: XXX.XX.XX.2:/gluster/brick2/brick2
Brick11: XXX.XX.XX.2:/gluster/brick3/brick3
Brick12: XXX.XX.XX.2:/gluster/brick4/brick4
Brick13: XXX.XX.XX.2:/gluster/brick5/brick5
Brick14: XXX.XX.XX.2:/gluster/brick6/brick6
Brick15: XXX.XX.XX.2:/gluster/brick7/brick7
Brick16: XXX.XX.XX.2:/gluster/brick8/brick8
Brick17: XXX.XX.XX.3:/gluster/brick1/brick1
Brick18: XXX.XX.XX.3:/gluster/brick2/brick2
Brick19: XXX.XX.XX.3:/gluster/brick3/brick3
Brick20: XXX.XX.XX.3:/gluster/brick4/brick4
Brick21: XXX.XX.XX.3:/gluster/brick5/brick5
Brick22: XXX.XX.XX.3:/gluster/brick6/brick6
Brick23: XXX.XX.XX.3:/gluster/brick7/brick7
Brick24: XXX.XX.XX.3:/gluster/brick8/brick8
Brick25: XXX.XX.XX.4:/gluster/brick1/brick1
Brick26: XXX.XX.XX.4:/gluster/brick2/brick2
Brick27: XXX.XX.XX.4:/gluster/brick3/brick3
Brick28: XXX.XX.XX.4:/gluster/brick4/brick4
Brick29: XXX.XX.XX.4:/gluster/brick5/brick5
Brick30: XXX.XX.XX.4:/gluster/brick6/brick6
Brick31: XXX.XX.XX.4:/gluster/brick7/brick7
Brick32: XXX.XX.XX.4:/gluster/brick8/brick8
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on