#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    : 1449  10    184   [ 7     3     5     3     3     2     2     1     4     0     0     0     0     0     ]
#2    : 3054  23    6871  [ 8     11    16    8     1     2     2     1     2     0     0     1     0     0     ]
#3    : 8156  5     129   [ 2     3     3     3     1     1     2     0     3     2     2     2     0     0     ]
#4    : 17072 6     11342 [ 2     3     2     4     4     6     4     3     3     2     2     0     1     1     ]
#5    : 5407  3     129   [ 3     2     2     2     2     1     3     2     1     1     0     2     0     0     ]
#6    : 31354 1     1414  [ 0     1     0     1     1     1     1     0     0     1     0     1     1     3     ]
#7    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]