[2, 3, 1, 3]
[Node { row_index: 0, edges: {0: 2, 1: 2, 3: 2} }, Node { row_index: 1, edges: {0: 2, 3: 2, 1: 3} }, Node { row_index: 2, edges: {2: 5} }, Node { row_index: 3, edges: {0: 2, 1: 2, 3: 4} }]
1
0
leaps beginning: 1
3
leaps beginning: 1
3
leaps beginning: 100000
-1