Extend Irnham Bob Doubles


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8 9
1. Irnham Bob Doubles 1 5 145 5 3 345
2. Extract places made by the hunt bell 1 - - - - 5
3. Extract places above the hunt bell - 5 45 5 - -
4. Extract places below the hunt bell - - 1 - 3 34
Expand places above the hunt bell F E D C B A
5. Reverse and invert places from [3] - - 1 12 1 -
6. Separate into two overlapping strips - - 1 12 1
7. Using the start change and overlap - 1 12 1 -
8. Expand places above mode in [7] to next stage - 1 16 1 -
9. Connect the static [6] and expanded [8] strip - - 1 12 1 - 1 16 1 -
10. Reverse and invert places in [9] back again - 9 49 9 - 9 89 9 - -
Expand places below the hunt bell A B C D E F
11. Below places from [4] - - 1 - 3 34
12. Separate into two overlapping strips - - 1 - 3 34
13. Using the start change and overlap 3 34
14. Expand places above mode in [13] to next stage 3 34 3 34
15. Connect the static [12] and the expanded [14] strip - - 1 - 3 34 3 34 3 34
Expand places of the hunt bell A B C D E F
16. Hunt bell places from [2] 1 - - - - 5
17. Separate into two overlapping strips 1 - -
18. Using the start change and overlap - - - - 5
19. Expand places above mode in [18] to next stage - - - - - - 9
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - 9
Recombine above, below and hunt bell places A B C D E F G H I J
21. Above places from [10] - 9 49 9 - 9 89 9 - -
22. Below places from [15] - - 1 - 3 34 3 34 3 34
23. Hunt bell places from [20] 1 - - - - - - - - 9
24. [Unnamed] Bob Caters 1 9 149 9 3 349 389 349 3 349

Extension and contraction candidates using extension process EP4-4/1:4:1/4:2:4/1:2:1  

13452 Irnham Bob Doubles 5.145.5.3.345,1
134826795 [Unnamed] Bob Caters 9.149.9.3.349.389.349.3.349,1
134A289670E5T [Unnamed] Differential Bob Sextuples A.14A.A.3.34A.38A.34A.3.34A.3TA.34A.3.34A,1
Doubles Caters Sextuples
Irnham Bob Doubles [Unnamed] Bob Caters [Unnamed] Differential Bob Sextuples