1 - Mount /dev/sdb1 (3.20 GiB) at /a -> 2 3
2 - Mount /dev/sdb2 (3.20 GiB) at /a/b ->
3 - Mount /dev/sdb3 (3.20 GiB) at /a/c ->
4 - Mount /dev/sdb4 (3.20 GiB) at /d -> 5
5 - Mount /dev/sdb5 (3.20 GiB) at /d/e/f ->
