#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    : 28516 1     4252  [ 0     0     1     0     0     1     1     0     1     1     1     1     0     3     ]
#1    : 19175 12    130   [ 5     9     6     5     7     5     2     4     5     3     3     0     1     1     ]
#2    : 19688 6     3010  [ 2     3     2     1     3     3     1     2     1     3     3     1     1     1     ]
#3    : 18303 2     129   [ 1     1     1     1     1     1     1     0     1     1     1     0     0     2     ]
#4    : 21847 3     8192  [ 1     1     1     2     2     1     2     1     0     0     1     0     1     2     ]
#5    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]
#6    : 26151 5     0     [ 3     0     3     1     1     2     3     2     2     3     3     2     2     1     ]
#7    : 2532  4     1091  [ 4     0     4     2     2     3     1     2     2     3     0     0     0     0     ]