Initial point: 1
Final point: 5
1/a -triggered off []
1/b -triggered off []
2/b -triggered off []
3/b -triggered off []
4/b -triggered off []
5/b -triggered off []
1/x -triggered off ['1/a', '1/b']
4/x -triggered off ['1/a', '4/b']
2/x -triggered off ['1/a', '2/b']
3/x -triggered off ['1/a', '3/b']
5/x -triggered off ['1/a', '5/b']
