#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    : 27715 4     4658  [ 1     1     2     3     2     2     3     2     4     3     2     1     1     2     ]
#1    : 32207 4     553   [ 1     1     1     1     2     1     2     2     2     1     0     1     1     3     ]
#2    : 32242 4     520   [ 2     2     1     1     0     1     1     1     1     0     1     1     1     3     ]
#3    : 32208 3     554   [ 2     1     1     1     0     0     1     1     1     0     1     1     1     3     ]
