Extend Crossways Bob Triples


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8 9 10 11 12 13
1. Crossways Bob Triples 127 567 1 7 123 7 123 7
2. Extract places made by the hunt bell 1 - - - - - - 7
3. Extract places above the hunt bell 27 567 - 7 - 7 - -
4. Extract places below the hunt bell - - 1 - 123 - 123 -
Expand places above the hunt bell H G F E D C B A
5. Reverse and invert places from [3] - - 1 - 1 - 123 16
6. Separate into two overlapping strips - - 1 - 1 - 123
7. Using the start change and overlap - 1 - 1 - 123 16
8. Expand places above mode in [7] to next stage - 1 - 1 - 129 1T
9. Connect the static [6] and expanded [8] strip - - 1 - 1 - 123 - 1 - 1 - 129 1T
10. Reverse and invert places in [9] back again 2A 5TA - A - A - ETA - A - A - -
Expand places below the hunt bell A B C D E F G H
11. Below places from [4] - - 1 - 123 - 123 -
12. Separate into two overlapping strips - - 1 - 123 - 123
13. Using the start change and overlap - 123 -
14. Expand places above mode in [13] to next stage - 145 - 167 - 189 -
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 - 123 - 145 - 167 - 189 -
Expand places of the hunt bell A B C D E F G H
16. Hunt bell places from [2] 1 - - - - - - 7
17. Separate into two overlapping strips 1 - -
18. Using the start change and overlap - - - - - - 7
19. Expand places above mode in [18] to next stage - - - - - - - - - - A
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - - - - - A
Recombine above, below and hunt bell places A B C D E F G H I J K L M N
21. Above places from [10] 2A 5TA - A - A - ETA - A - A - -
22. Below places from [15] - - 1 - 123 - 123 - 145 - 167 - 189 -
23. Hunt bell places from [20] 1 - - - - - - - - - - - - A
24. [Unnamed] Bob Sextuples 12A 5TA 1 A 123 A 123 ETA 145 A 167 A 189 A

Extension and contraction candidates using extension process EP4-6/1:6:2/5:2:1/1:2:1  

1425736 Crossways Bob Triples 567.1.7.123.7.123.7,127
1T75A3048E296 [Unnamed] Bob Sextuples 5TA.1.A.123.A.123.ETA.145.A.167.A.189.A,12A
Triples Sextuples
Crossways Bob Triples [Unnamed] Bob Sextuples