#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    : 2774  16    8788  [ 8     3     6     4     7     9     6     9     3     0     0     0     0     0     ]
#1    : 21741 24    588   [ 17    8     7     10    14    10    11    11    8     1     6     3     1     0     ]
#2    : 27570 14    519   [ 2     2     5     5     7     2     7     6     2     2     2     1     1     2     ]
#3    : 5131  10    579   [ 3     4     4     4     7     5     3     2     3     1     1     1     0     0     ]
#4    : 1854  19    519   [ 8     13    11    6     10    3     5     3     1     1     0     0     0     0     ]
#5    : 4740  34    579   [ 18    21    18    18    25    1     5     1     2     2     2     0     0     0     ]
#6    : 2468  18    514   [ 0     6     6     6     9     2     4     1     1     1     1     0     0     0     ]
#7    : 10583 13    579   [ 1     3     4     4     6     2     2     4     4     3     1     1     1     0     ]