Extend Crossways Bob Triples

EP4 Dual Mode Constraints

EP4 Dual Mode Derivation

  0 1 2 3 4 5 6 7 8 9
1. Crossways Bob Triples 127 567 1 7 123 7 123 7
2. Extract places above the hunt bell 27 567 - 7 - 7 - -
3. Extract places below the hunt bell - - 1 - 123 - 123 -
Expand places above the hunt bell H G F E D C B A
4. Reverse and invert places from [2] - - 1 - 1 - 123 16
5. Separate into two overlapping strips - -
6. Using the start change and overlap - - 1 - 1 - 123 16
7. Expand places above mode in [6] to next stage - - 1 - 1 - 123 18
8. Connect the static [5] and expanded [7] strip - - - - 1 - 1 - 123 18
9. Reverse and invert places in [8] back again 29 789 - 9 - 9 - - - -
Expand places below the hunt bell A B C D E F G H
10. Below places from [3] - - 1 - 123 - 123 -
11. Separate into two overlapping strips - - 1 - 123
12. Using the start change and overlap - 123 - 123 -
13. Expand places above mode in [12] to next stage - 145 - 145 -
14. Connect the static [11] and the expanded [13] strip - - 1 - 123 - 145 - 145 -
Recombine above and below places A B C D E F G H I J
15. Above places from [9] 29 789 - 9 - 9 - - - -
16. Below places from [14] - - 1 - 123 - 145 - 145 -
17. Default hunt bell places 1 - - - - - - - - 9
18. [Unnamed] Differential Bob Caters 129 789 1 9 123 9 145 9 145 9

Extension and contraction candidates using extension process EP4-2/0:2:3/3:2:1  

1425736 Crossways Bob Triples 567.1.7.123.7.123.7,127
142978563 [Unnamed] Differential Bob Caters 789.1.9.123.9.145.9.145.9,129
1420E795386 [Unnamed] Bob Cinques 90E.1.E.123.E.145.E.167.E.167.E,12E
1429T7A5E3608 [Unnamed] Bob Sextuples ETA.1.A.123.A.145.A.167.A.189.A.189.A,12A
1429E7B5C3A68T0 [Unnamed] Differential Bob Septuples ABC.1.C.123.C.145.C.167.C.189.C.10E.C.10E.C,12C
Triples Caters Cinques Sextuples Septuples
Crossways Bob Triples [Unnamed] Differential Bob Caters [Unnamed] Bob Cinques [Unnamed] Bob Sextuples [Unnamed] Differential Bob Septuples