graph g1 1 1 NORMAL 300 (1,2) 
addEdge g1 (1, 2)
addEdge g1 (2, 7)
addEdge g1 (7, 3)
addEdge g1 (3, 1)
addEdge g1 (1, 23)
addEdge g1 (4, 23)
addEdge g1 (4, 3)
addEdge g1 (7, 5)