Extend St Martin's Bob Doubles

Accepted extension path EP2, EP3-1BC/3DE, EP4-2/3:2:3

EP4 Triple Mode Constraints

EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7
1. St Martin's Bob Doubles 125 5 1 5 123 5
2. Extract places made by the hunt bell 1 - - - - 5
3. Extract places above the hunt bell 25 5 - 5 - -
4. Extract places below the hunt bell - - 1 - 123 -
Expand places above the hunt bell F E D C B A
5. Reverse and invert places from [3] - - 1 - 1 14
6. Separate into two overlapping strips - - 1
7. Using the start change and overlap - 1 - 1 14
8. Expand places above mode in [7] to next stage - 1 - 1 16
9. Connect the static [6] and expanded [8] strip - - 1 - 1 - 1 16
10. Reverse and invert places in [9] back again 27 7 - 7 - 7 - -
Expand places below the hunt bell A B C D E F
11. Below places from [4] - - 1 - 123 -
12. Separate into two overlapping strips - - 1 - 123
13. Using the start change and overlap - 123 -
14. Expand places above mode in [13] to next stage - 123 -
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 - 123 -
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 7 - 7 - 7 - -
22. Below places from [15] - - 1 - 123 - 123 -
23. Hunt bell places from [20] 1 - - - - - - 7
24. St Martin's Bob Triples 127 7 1 7 123 7 123 7

Extension and contraction candidates using extension process EP4-2/1:2:1/3:2:3/1:2:1   Equivalent to accepted extension path

q 14253 St Martin's Bob Doubles 5.1.5.123.5,125
q 1426375 St Martin's Bob Triples 7.1.7.123.7.123.7,127
q 142638597 St Martin's Bob Caters 9.1.9.123.9.123.9.123.9,129
q 142638507E9 St Martin's Bob Cinques E.1.E.123.E.123.E.123.E.123.E,12E
q 142638507T9AE [Unnamed] Bob Sextuples A.1.A.123.A.123.A.123.A.123.A.123.A,12A
q 142638507T9BECA [Unnamed] Bob Septuples C.1.C.123.C.123.C.123.C.123.C.123.C.123.C,12C
Doubles Triples Caters Cinques Sextuples Septuples
St Martin's Bob Doubles St Martin's Bob Triples St Martin's Bob Caters St Martin's Bob Cinques [Unnamed] Bob Sextuples [Unnamed] Bob Septuples