# transaction ID, source account ID, target account ID, timestamp
0 0 1 0
0 0 1 0
0 0 1 0
1 1 2 1
2 2 3 2
3 1 3 3
4 3 1 4
4 3 1 4
4 3 1 4
5 3 0 5
6 0 2 6
7 2 0 7
