#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    : 14814 39    4688  [ 12    13    12    9     28    18    15    9     7     1     1     2     1     0     ]
#1    : 15804 53    579   [ 28    20    16    21    59    1     1     1     2     1     1     0     1     1     ]
#2    : 20048 9     513   [ 2     1     1     1     2     3     3     4     1     1     2     2     3     0     ]
#3    : 32190 1     578   [ 0     1     1     1     1     1     0     1     1     0     1     1     1     3     ]
#4    : 30145 12    517   [ 13    12    5     9     8     8     7     8     8     3     0     0     0     3     ]
#5    : 32190 1     578   [ 0     1     1     1     1     1     0     1     1     0     1     1     1     3     ]
#6    : 32255 1     513   [ 1     1     1     1     1     1     1     1     1     0     1     1     1     3     ]
#7    : 31678 1     578   [ 0     1     1     1     1     1     0     1     1     1     2     2     2     2     ]