Initial point: 1
Final point: 3
1/foo -triggered off ['0/foo']
2/foo -triggered off ['1/foo']
1/bar -triggered off ['1/foo']
3/foo -triggered off ['2/foo']
2/bar -triggered off ['2/foo']
1/foo -triggered off ['0/foo']
2/foo -triggered off ['1/foo']
1/bar -triggered off ['1/foo']
2/bar -triggered off ['2/foo']
3/bar -triggered off ['3/foo']
