File: //proc/fs/ext4/loop0/mb_groups
#group: free frags first [ 2^0 2^1 2^2 2^3 2^4 2^5 2^6 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]
#0 : 13571 8 671 [ 7 6 4 6 3 2 7 1 2 0 0 0 1 1 ]
#1 : 32097 1 671 [ 1 0 0 0 0 1 1 0 1 0 1 1 1 3 ]
#2 : 32258 1 510 [ 0 1 0 0 0 0 0 0 0 1 1 1 1 3 ]
#3 : 32098 1 670 [ 0 1 0 0 0 1 1 0 1 0 1 1 1 3 ]
#4 : 32257 1 511 [ 1 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#5 : 32098 1 670 [ 0 1 0 0 0 1 1 0 1 0 1 1 1 3 ]
#6 : 32256 2 510 [ 0 2 1 1 1 1 1 1 1 0 1 1 1 3 ]
#7 : 32096 1 672 [ 0 0 0 0 0 1 1 0 1 0 1 1 1 3 ]
#8 : 32257 1 511 [ 1 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#9 : 32098 1 670 [ 0 1 0 0 0 1 1 0 1 0 1 1 1 3 ]
#10 : 32257 1 511 [ 1 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#11 : 32257 1 511 [ 1 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#12 : 32256 1 512 [ 0 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#13 : 32258 1 510 [ 0 1 0 0 0 0 0 0 0 1 1 1 1 3 ]
#14 : 32257 1 511 [ 1 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#15 : 32256 1 512 [ 0 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#16 : 31092 6 510 [ 2 5 4 1 3 1 2 1 0 4 2 1 0 3 ]
#17 : 32258 1 510 [ 0 1 0 0 0 0 0 0 0 1 1 1 1 3 ]
#18 : 32256 1 512 [ 0 0 0 0 0 0 0 0 0 1 1 1 1 3 ]
#19 : 26114 1 510 [ 0 1 0 0 0 0 0 0 0 1 1 2 1 2 ]