*Vertices 8 1 "S1" 2 "S2" 3 "S3" 4 "S4" 5 "S5" 6 "S6" 7 "S7" 8 "S8" *Arcs 1 2 12 l "10, 12, 16" 2 3 8 l "2, 8, 36" 2 4 4 l "1, 4, 5" 2 6 3 l "2, 3, 4" 4 6 5 l "3, 5, 8" 3 5 12 l "8, 2, 20" 4 5 18 l "15, 8, 30" 6 7 9 l "6, 9, 12" 5 7 4 l "2, 4, 8" 7 8 6 l "4, 6, 14" *Edges