BEGIN{RS=""}
{while(match($0,/HF=[-]?[0-9]+([.][0-9]+)?([\n] +([.][0-9]+))?/)){
  val=substr($0,RSTART,RLENGTH)
  sub(/\n +|\n/,"",val)
  print val
  val=""
  $0=substr($0,RSTART+RLENGTH)
}
}