instance // network
  "s" successors ( "1" c 20 f 0 "2" c 10 f 0 )
  "1" successors ("t" c 15 )
  "2" successors ("t" c 10)
  "t" successors ()
  source "s"
  sink "t"
solution // flow
  "s" successors ("1" f 10)
  "1" successors ("t" f 10)
  "t" successors ()
FlowClaim 
proposer "Karl.Lieberherr"
claim name "1"
instance
  "s" successors ( "t" c 20)
  "t" successors ()
  source "s"
  sink "t"
quality 0.6

//second
instance
  "s" successors ( "t" c 20 f 0)
  "t" successors ()
  source "s"
  sink "t"
solution
  "s" successors ("t" f 20)
  "t" successors ()
FlowClaim
proposer "Karl.Lieberherr"
claim name "2"

instance
  "s" successors ( "t" c 20)
  "t" successors ()
  source "s"
  sink "t"

quality 1.0