#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    : 11985 41    4688  [ 15    19    15    12    22    19    15    13    12    0     5     0     0     0     ]
#1    : 11965 40    608   [ 29    22    21    26    23    13    21    16    17    0     3     0     0     0     ]
#2    : 21320 12    513   [ 6     7     9     8     7     7     8     7     6     3     4     0     1     1     ]
#3    : 29925 9     578   [ 1     2     2     3     4     4     2     1     3     2     3     2     1     2     ]
#4    : 32255 1     513   [ 1     1     1     1     1     1     1     1     1     0     1     1     1     3     ]
#5    : 20338 21    578   [ 8     9     6     10    11    4     5     3     5     1     1     2     1     1     ]
#6    : 32254 1     514   [ 0     1     1     1     1     1     1     1     1     0     1     1     1     3     ]
#7    : 29646 8     578   [ 0     1     3     2     3     4     2     5     2     3     4     3     4     0     ]