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 16
8. Connect the static [5] and expanded [7] strip - - - - 1 - 1 - 123 16
9. Reverse and invert places in [8] back again 49 789 - 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
12. Using the start change and overlap - 1 - 123 - 123 -
13. Expand places above mode in [12] to next stage - 1 - 125 - 125 -
14. Connect the static [11] and the expanded [13] strip - - 1 - 1 - 125 - 125 -
Recombine above and below places A B C D E F G H I J
15. Above places from [9] 49 789 - 9 - 9 - - - -
16. Below places from [14] - - 1 - 1 - 125 - 125 -
17. Default hunt bell places 1 - - - - - - - - 9
18. [Unnamed] Bob Caters 149 789 1 9 1 9 125 9 125 9

Extension and contraction candidates using extension process EP4-2/0:2:6/1:2:2  

1425736 Crossways Bob Triples 567.1.7.123.7.123.7,127
197648523 [Unnamed] Bob Caters 789.1.9.1.9.125.9.125.9,149
10E79865342 [Unnamed] Bob Cinques 90E.1.E.1.E.1.E.127.E.127.E,16E
19T7A5E083264 [Unnamed] Bob Sextuples ETA.1.A.1.A.1.A.1.A.129.A.129.A,18A
19E7B5C3AT02486 [Unnamed] Bob Septuples ABC.1.C.1.C.1.C.1.C.1.C.12E.C.12E.C,10C
Triples Caters Cinques Sextuples Septuples
Crossways Bob Triples [Unnamed] Bob Caters [Unnamed] Bob Cinques [Unnamed] Bob Sextuples [Unnamed] Bob Septuples