Extend Heathfield Station Surprise Maximus


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
1. Heathfield Station Surprise Maximus 12 - 3T - 14 - 5T - 16 - 127T - 38 - 149T - 50 - 16 - 7T - 1890 34 ET
2. Extract internal places made by the hunt bell - - - - - - - - - - - - - - - - - - - - - - - - -
3. Extract internal places above the hunt bell 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 0 - - - - - - - -
4. Extract internal places below the hunt bell - - - - - - - - - - 2 - 3 - 4 - 5 - 6 - 7 - 890 34 E
Expand places above the hunt bell M L L L K J J J I H H H G F F F E D D D C B B B A
5. Reverse and invert places from [3] - - - - - - - - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 0 - E
6. Separate into two overlapping strips - - - -
7. Using the start change and overlap - - - - - - - - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 0 - E
8. Expand places above mode in [7] to next stage - - - - - - - - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 0 - B
9. Connect the static [6] and expanded [8] strip - - - - - - - - - - - - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 0 - B
10. Reverse and invert places in [9] back again 2 - 6 - 7 - 8 - 9 - 0 - E - T - A - - - - - - - - - - - -
Expand places below the hunt bell A B B B C D D D E F F F G H H H I J J J K L L L M
11. Below places from [4] - - - - - - - - - - 2 - 3 - 4 - 5 - 6 - 7 - 890 34 E
12. Separate into two overlapping strips - - - - - - - - - - 2 - 3
13. Using the start change and overlap - 2 - 3 - 4 - 5 - 6 - 7 - 890 34 E
14. Expand places above mode in [13] to next stage - 5 - 6 - 7 - 8 - 9 - 0 - ETA 67 B
15. Connect the static [12] and the expanded [14] strip - - - - - - - - - - 2 - 3 - 5 - 6 - 7 - 8 - 9 - 0 - ETA 67 B
Expand places of the hunt bell A B B B C D D D E F F F G H H H I J J J K L L L M
16. Hunt bell places from [2] - - - - - - - - - - - - - - - - - - - - - - - - -
17. Separate into two overlapping strips - - - -
18. Using the start change and overlap - - - - - - - - - - - - - - - - - - - - - - - - -
19. Expand places above mode in [18] to next stage - - - - - - - - - - - - - - - - - - - - - - - - -
20. Connect the static [17] and the expanded [19] strip - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Recombine above, below and hunt bell places A B C D D D E F F F G H H H I J J J K L L L M N N N O O P
21. Above places from [10] 2 - 6 - 7 - 8 - 9 - 0 - E - T - A - - - - - - - - - - - -
22. Below places from [15] - - - - - - - - - - 2 - 3 - 5 - 6 - 7 - 8 - 9 - 0 - ETA 67 B
23. Hunt bell places from [20] plus those needed to maintain the hunt bell path 1C C 1C C - C 1C C - C 13C C 4 C C C 1 C - C 1C C - C 1C C - 1 1C
24. [Unnamed] Differential Alliance Septuples 12C C 16C C 7 C 18C C 9 C 1230C C 34E C 5TC C 16A C 7 C 18C C 9 C 10C C ETA 167 1BC

Extension and contraction candidates using extension process EP4-3/0:4:10/9:4:1/0:4:1  

b 157392E4T608 Heathfield Station Surprise Maximus -3T-14-5T-16-127T-38-149T-50-16-7T-1890.34.ET,12
1EA3T85C9062B47 [Unnamed] Differential Alliance Septuples C.16C.C.7.C.18C.C.9.C.1230C.C.34E.C.5TC.C.16A.C.7.C.18C.C.9.C.10C.C.ETA.167.1BC,12C
Maximus Septuples
Heathfield Station Surprise Maximus [Unnamed] Differential Alliance Septuples