#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    : 5652  20    130   [ 12    10    15    11    6     6     7     5     8     0     0     1     0     0     ]
#2    : 18065 19    6871  [ 11    11    10    11    1     1     3     2     2     1     0     2     1     1     ]
#3    : 18703 6     129   [ 3     2     4     5     3     5     2     1     3     2     2     1     1     1     ]
#4    : 3488  2     8192  [ 2     1     1     1     1     0     2     0     1     0     1     1     0     0     ]
#5    : 14578 4     1543  [ 2     0     0     2     2     2     2     2     1     1     1     2     2     0     ]
#6    : 11379 4     3837  [ 1     1     0     2     2     2     0     2     3     2     1     0     0     1     ]
#7    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]