! Data file for `arcs.mos' ARC: [(1) ["A" "B" 2] (2) ["A" "D" 4] (3) ["A" "C" 7] (4) ["B" "F" 4] (5) ["B" "D" 3] (6) ["C" "B" 5] (7) ["C" "D" 1] (8) ["C" "E" 1] (9) ["D" "F" 2] (10) ["D" "E" 5] (11) ["E" "F" 8]] ARCDEF: [(1) ["A" "B"] (2) ["A" "D"] (3) ["A" "C"] (4) ["B" "F"] (5) ["B" "D"] (6) ["C" "B"] (7) ["C" "D"] (8) ["C" "E"] (9) ["D" "F"] (10) ["D" "E"] (11) ["E" "F"]] COST: [(1) 2 (2) 4 (3) 7 (4) 4 (5) 3 (6) 5 (7) 1 (8) 1 (9) 2 (10) 5 (11) 8]