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 : 10862 102 17196 [ 88 75 84 80 53 41 25 22 12 0 0 0 0 0 ]
#1 : 29882 10 792 [ 2 4 4 2 1 0 0 1 2 1 0 0 1 3 ]
#2 : 31792 4 515 [ 0 0 0 0 1 1 2 1 1 1 0 1 1 3 ]
#3 : 31549 4 800 [ 1 0 1 1 1 1 0 2 0 1 0 1 1 3 ]
#4 : 31628 3 532 [ 2 1 0 1 0 0 0 1 1 1 0 1 1 3 ]
#5 : 31672 4 800 [ 0 0 0 1 1 1 2 2 0 1 0 1 1 3 ]
#6 : 31882 2 538 [ 0 1 0 1 0 0 0 1 0 0 1 1 1 3 ]
#7 : 31377 3 774 [ 1 0 0 0 1 0 2 2 3 1 1 0 1 3 ]
#8 : 31918 3 534 [ 0 1 1 1 0 1 0 1 0 0 1 1 1 3 ]
#9 : 31669 6 775 [ 1 0 1 0 1 1 4 3 1 0 0 1 1 3 ]
#10 : 31797 4 600 [ 1 0 1 0 1 1 2 3 0 1 0 1 1 3 ]
#11 : 30511 70 520 [ 25 1 39 43 42 22 41 29 17 9 5 4 0 0 ]
#12 : 26162 137 520 [ 26 34 107 61 66 49 46 43 27 10 2 0 0 0 ]
#13 : 6284 372 517 [ 194 213 204 190 128 4 0 1 2 1 0 0 0 0 ]
#14 : 31591 12 520 [ 5 1 6 3 5 5 1 2 3 1 1 0 1 3 ]
#15 : 31541 4 518 [ 1 0 1 0 1 1 0 2 0 1 2 0 1 3 ]
#16 : 31575 3 520 [ 1 1 1 0 1 0 1 0 1 1 0 1 1 3 ]
#17 : 31833 3 520 [ 1 0 0 1 1 0 1 0 0 0 1 1 1 3 ]
#18 : 31660 1 518 [ 0 0 1 1 0 1 0 1 1 1 0 1 1 3 ]
#19 : 31953 4 520 [ 1 0 0 0 1 0 1 1 2 1 0 1 1 3 ]
#20 : 31782 2 574 [ 0 1 1 0 0 1 0 0 2 1 0 1 1 3 ]
#21 : 14910 86 520 [ 40 41 25 16 6 2 7 1 2 2 0 2 0 1 ]
#22 : 28734 24 516 [ 10 0 1 8 9 7 6 6 8 1 2 3 0 2 ]
#23 : 31106 2 576 [ 0 1 0 0 0 0 0 1 1 0 0 1 1 3 ]
#24 : 31669 3 518 [ 1 0 1 0 1 1 0 1 1 1 0 1 1 3 ]
#25 : 31452 3 776 [ 0 0 1 1 1 0 1 1 0 1 2 0 1 3 ]
#26 : 31531 4 516 [ 1 1 0 1 0 1 0 2 2 2 1 0 1 3 ]
#27 : 31724 1 772 [ 0 0 1 1 0 1 1 1 1 1 0 1 1 3 ]
#28 : 31583 5 520 [ 1 1 1 1 1 0 1 0 3 2 1 0 1 3 ]
#29 : 31890 3 520 [ 0 1 2 1 0 0 0 1 0 0 1 1 1 3 ]
#30 : 31576 2 588 [ 0 0 0 1 1 0 1 0 1 1 0 1 1 3 ]
#31 : 31761 4 528 [ 1 0 0 0 1 0 0 0 2 1 0 1 1 3 ]