#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    : 28964 1     3804  [ 0     0     1     0     0     1     0     0     1     0     0     0     1     3     ]
#1    : 20227 23    116   [ 13    11    12    12    15    7     4     5     9     2     3     0     1     1     ]
#2    : 9455  4     7898  [ 1     3     2     0     2     2     2     0     2     1     0     2     1     0     ]
#3    : 23580 3     116   [ 0     0     1     1     1     0     0     2     1     1     2     2     0     2     ]
#4    : 15231 4     2300  [ 1     1     3     2     2     2     0     2     2     2     3     1     2     0     ]
#5    : 32652 1     116   [ 0     0     1     1     0     0     0     1     1     1     1     1     1     3     ]
#6    : 32768 1     0     [ 0     0     0     0     0     0     0     0     0     0     0     0     0     4     ]
#7    : 4236  1     116   [ 0     0     1     1     0     0     0     1     2     1     1     1     0     0     ]