#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    : 8149  16    184   [ 5     6     11    9     3     3     3     2     5     0     0     1     1     0     ]
#2    : 10243 23    6871  [ 11    14    13    15    1     1     2     1     4     1     2     1     1     0     ]
#3    : 17326 3     129   [ 2     2     2     2     3     1     1     0     1     3     1     1     1     1     ]
#4    : 9893  4     8192  [ 1     2     2     3     4     4     1     1     1     0     1     2     1     0     ]
#5    : 14842 2     1542  [ 0     1     0     1     1     1     1     1     1     0     0     1     1     1     ]
#6    : 25245 5     1024  [ 1     2     2     2     2     1     3     1     1     0     2     1     1     2     ]
#7    : 18128 3     129   [ 2     3     2     2     1     3     1     2     3     3     1     1     1     1     ]