#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    : 31272 5     576   [ 2     1     3     3     4     4     1     2     2     1     1     0     1     3     ]
#1    : 29602 3     584   [ 0     1     0     2     1     2     1     2     2     0     2     1     0     3     ]
#2    : 32267 4     496   [ 3     2     1     0     0     0     0     0     0     1     1     1     1     3     ]
#3    : 32184 1     584   [ 0     0     0     1     1     1     0     1     1     0     1     1     1     3     ]
#4    : 24071 1     8697  [ 1     1     1     0     0     0     0     0     0     1     1     1     1     2     ]
#5    : 32186 2     575   [ 2     0     0     1     1     1     0     1     1     0     1     1     1     3     ]
#6    : 32263 3     500   [ 3     0     1     0     0     0     0     0     0     1     1     1     1     3     ]
#7    : 32184 3     576   [ 0     2     1     0     1     1     2     2     2     1     0     1     1     3     ]
#8    : 32265 3     497   [ 3     1     1     0     0     0     0     0     0     1     1     1     1     3     ]
#9    : 20673 1     575   [ 1     0     0     0     0     0     1     1     2     1     1     1     2     1     ]