Extend Chesham Bob Doubles


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7
1. Chesham Bob Doubles 125 3 145 5 3 125
2. Extract places made by the hunt bell 1 - - - - 5
3. Extract places above the hunt bell 25 3 45 5 - -
4. Extract places below the hunt bell - - 1 - 3 12
Expand places above the hunt bell F E D C B A
5. Reverse and invert places from [3] - - 1 12 3 14
6. Separate into two overlapping strips - - 1 12 3 14
7. Using the start change and overlap 3 14
8. Expand places above mode in [7] to next stage 3 16
9. Connect the static [6] and expanded [8] strip - - 1 12 3 14 3 16
10. Reverse and invert places in [9] back again 27 5 47 5 67 7 - -
Expand places below the hunt bell A B C D E F
11. Below places from [4] - - 1 - 3 12
12. Separate into two overlapping strips - - 1 - 3 12
13. Using the start change and overlap 3 12
14. Expand places above mode in [13] to next stage 5 12
15. Connect the static [12] and the expanded [14] strip - - 1 - 3 12 5 12
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 - - - - 7
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - 7
Recombine above, below and hunt bell places A B C D E F G H
21. Above places from [10] 27 5 47 5 67 7 - -
22. Below places from [15] - - 1 - 3 12 5 12
23. Hunt bell places from [20] 1 - - - - - - 7
24. [Unnamed] Bob Triples 127 5 147 5 367 127 5 127

Extension and contraction candidates using extension process EP4-2/4:2:3/4:2:2/1:2:1  

12534 Chesham Bob Doubles 3.145.5.3.125,125
1247563 [Unnamed] Bob Triples 5.147.5.367.127.5.127,127
124638597 [Unnamed] Bob Caters 7.149.7.369.127.589.129.7.129,129
12463859E70 [Unnamed] Bob Cinques 9.14E.9.36E.129.58E.129.70E.12E.9.12E,12E
124638507AET9 [Unnamed] Bob Sextuples E.14A.E.36A.12E.58A.12E.70A.12E.9TA.12A.E.12A,12A
124638507T9BECA [Unnamed] Bob Septuples A.14C.A.36C.12A.58C.12A.70C.12A.9TC.12A.EBC.12C.A.12C,12C
Doubles Triples Caters Cinques Sextuples Septuples
Chesham Bob Doubles [Unnamed] Bob Triples [Unnamed] Bob Caters [Unnamed] Bob Cinques [Unnamed] Bob Sextuples [Unnamed] Bob Septuples