#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    : 8760  2     16384 [ 0     0     0     1     1     1     0     0     0     1     0     0     0     1     ]
#1    : 144   16    1270  [ 6     5     6     9     2     0     0     0     0     0     0     0     0     0     ]
#2    : 127   17    7668  [ 11    6     10    6     1     0     0     0     0     0     0     0     0     0     ]
#3    : 92    9     2035  [ 6     5     7     6     0     0     0     0     0     0     0     0     0     0     ]
#4    : 148   26    1275  [ 14    17    11    7     0     0     0     0     0     0     0     0     0     0     ]
#5    : 83    18    505   [ 11    8     4     3     1     0     0     0     0     0     0     0     0     0     ]
#6    : 4     2     16381 [ 2     1     0     0     0     0     0     0     0     0     0     0     0     0     ]
#7    : 4     2     16382 [ 0     2     0     0     0     0     0     0     0     0     0     0     0     0     ]
#8    : 8     1     32760 [ 0     0     0     1     0     0     0     0     0     0     0     0     0     0     ]
#9    : 6     2     16382 [ 0     1     1     0     0     0     0     0     0     0     0     0     0     0     ]
#10   : 21    2     16375 [ 1     0     1     2     0     0     0     0     0     0     0     0     0     0     ]
#11   : 0     0     32768 [ 0     0     0     0     0     0     0     0     0     0     0     0     0     0     ]
#12   : 126   10    1208  [ 4     3     5     2     1     2     0     0     0     0     0     0     0     0     ]
#13   : 407   16    22072 [ 15    12    6     7     4     1     3     0     0     0     0     0     0     0     ]
#14   : 28091 79    2214  [ 29    75    74    38    31    0     25    25    32    1     1     0     1     1     ]
#15   : 14680 70    3419  [ 58    41    47    40    29    34    29    25    29    0     0     0     0     0     ]