Extend Reverse St Nicholas Bob Doubles

EP4 Dual Mode Constraints

EP4 Dual Mode Derivation

  0 1 2 3 4 5 6 7 8 9
1. Reverse St Nicholas Bob Doubles 1 3 1 5 123 145
2. Extract places above the hunt bell - 3 - 5 - -
3. Extract places below the hunt bell - - 1 - 123 14
Expand places above the hunt bell F E D C B A
4. Reverse and invert places from [2] - - 1 - 3 -
5. Separate into two overlapping strips - - 1 - 3
6. Using the start change and overlap - 3 -
7. Expand places above mode in [6] to next stage - 5 - 7 -
8. Connect the static [5] and expanded [7] strip - - 1 - 3 - 5 - 7 -
9. Reverse and invert places in [8] back again - 3 - 5 - 7 - 9 - -
Expand places below the hunt bell A B C D E F
10. Below places from [3] - - 1 - 123 14
11. Separate into two overlapping strips - - 1 - 123
12. Using the start change and overlap - 1 - 123 14
13. Expand places above mode in [12] to next stage - 1 - 123 18
14. Connect the static [11] and the expanded [13] strip - - 1 - 123 - 1 - 123 18
Recombine above and below places A B C D E F G H I J
15. Above places from [9] - 3 - 5 - 7 - 9 - -
16. Below places from [14] - - 1 - 123 - 1 - 123 18
17. Default hunt bell places 1 - - - - - - - - 9
18. [Unnamed] Differential Bob Caters 1 3 1 5 123 7 1 9 123 189

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

13452 Reverse St Nicholas Bob Doubles 3.1.5.123.145,1
176583294 [Unnamed] Differential Bob Caters 3.1.5.123.7.1.9.123.189,1
1E89T705236A4 [Unnamed] Bob Sextuples 3.1.5.123.7.1.9.123.E.1.A.123.1TA,1
Doubles Caters Sextuples
Reverse St Nicholas Bob Doubles [Unnamed] Differential Bob Caters [Unnamed] Bob Sextuples