Number of visits to origin | Sequence of steps |
0 | (1F®{4}®1B) |
1 | (1F-1B-1F®{3}®1B)(1F®{1}®1B-1F®{2}®1B) |
| (1F®{2}®1B-1F®{1}®1B)(1F®{3}®1B-1F-1B) |
2 | (1F-1B-1F-1B-1F®{2}®1B)(1F-1B-1F®{1}®1B-1F®{1}®1B) |
| (1F-1B-1F®{2}®1B-1F-1B)(1F®{1}®1B-1F-1B-1F®{1}®1B) |
| (1F®{1}®1B-1F®{1}®1B-1F-1B)(1F®{2}®1B-1F-1B-1F-1B) |
3 | (1F-1B-1F-1B-1F-1B-1F®{1}®1B)(1F-1B-1F-1B-1F®{1}®1B-1F-1B) |
| (1F-1B-1F®{1}®1B-1F-1B-1F-1B)(1F®{1}®1B-1F-1B-1F-1B-1F-1B) |
4 | (1F-1B-1F-1B-1F-1B-1F-1B-1F-1B) |