 		// print(graph)
 		
 		XCTAssert(graph[1,4] == nil)
-		XCTAssert(graph[1,2] == 1)
+		XCTAssert(graph[1,2] == 2)
 		XCTAssert(graph[3,7] == 1)
 		XCTAssert(graph[2,5] == nil)
 		

		}
		XCTAssert(fn.0 == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20], "\(fn)")
		XCTAssert(fn.1 == [20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0], "\(fn)")
		print("DFS:\t\t\t\t", time)
	}
	
	func bfs(graph: Graph) {

		
		print("Creation:\t\t", time)
		
		let graph2 = G.init(vertices: Set<Int>(0...20), rule: { return abs($0 - $1) == 1 ? 2 : (($0, $1) == (3,7) || ($0, $1) == (7,3) ? 1 : nil) })
		
		XCTAssert(graph2 == graph, "\(graph2) != \(graph)")
		
