#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    : 28512 1     4256  [ 0     0     0     0     0     1     1     0     1     1     1     1     0     3     ]
#1    : 1210  6     129   [ 6     4     3     2     3     3     2     1     3     0     0     0     0     0     ]
#2    : 1624  11    512   [ 10    7     4     2     4     3     4     3     3     0     0     0     0     0     ]
#3    : 11933 61    1726  [ 33    38    24    20    19    2     1     3     2     0     0     1     0     1     ]
#4    : 20886 1     11882 [ 0     1     1     0     1     0     0     1     1     0     0     0     1     2     ]
#5    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]
#6    : 32768 1     0     [ 0     0     0     0     0     0     0     0     0     0     0     0     0     4     ]
#7    : 32639 1     129   [ 1     1     1     1     1     1     1     0     1     1     1     1     1     3     ]