#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    : 28511 1     4257  [ 1     1     1     1     1     0     1     0     1     1     1     1     0     3     ]
#1    : 3601  21    180   [ 13    8     15    11    6     6     7     5     8     0     0     0     0     0     ]
#2    : 5476  19    6871  [ 10    9     14    6     2     2     4     3     2     0     0     2     0     0     ]
#3    : 22791 7     1842  [ 3     4     3     2     2     2     2     2     3     2     4     4     2     0     ]
#4    : 1399  2     8192  [ 1     1     1     2     2     2     0     0     1     0     1     0     0     0     ]
#5    : 8481  7     1621  [ 3     3     2     2     2     5     1     2     3     2     2     0     1     0     ]
#6    : 29218 1     3550  [ 0     1     0     0     0     1     0     0     0     1     0     0     1     3     ]
#7    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]