Extend Crossways Bob Triples


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8 9 10 11
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 - 123 16
8. Expand places above mode in [7] to next stage - 1 - 167 10
9. Connect the static [6] and expanded [8] strip - - 1 - 1 - 123 - 1 - 167 10
10. Reverse and invert places in [9] back again 2E 56E - E - 90E - E - E - -
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
13. Using the start change and overlap - 1 - 123 - 123 -
14. Expand places above mode in [13] to next stage - 1 - 123 - 123 -
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 - 1 - 123 - 123 -
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 - - - - - - - - E
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - - - E
Recombine above, below and hunt bell places A B C D E F G H I J K L
21. Above places from [10] 2E 56E - E - 90E - E - E - -
22. Below places from [15] - - 1 - 123 - 1 - 123 - 123 -
23. Hunt bell places from [20] 1 - - - - - - - - - - E
24. [Unnamed] Bob Cinques 12E 56E 1 E 123 90E 1 E 123 E 123 E

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

1425736 Crossways Bob Triples 567.1.7.123.7.123.7,127
1895E320746 [Unnamed] Bob Cinques 56E.1.E.123.90E.1.E.123.E.123.E,12E
1T95E3B074268CA [Unnamed] Bob Septuples 56C.1.C.123.90C.1.C.123.ABC.1.C.123.C.123.C,12C
Triples Cinques Septuples
Crossways Bob Triples [Unnamed] Bob Cinques [Unnamed] Bob Septuples