Extend Gorakhpur City Halt Bob Major

EP4 Triple Mode Constraints

EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8 9 10 11 12
1. Gorakhpur City Halt Bob Major 12 3456 14 56 123678 1234 58 1256 78
2. Extract places made by the hunt bell 1 - - - - - - - 8
3. Extract places above the hunt bell 2 3456 4 56 678 - 8 - -
4. Extract places below the hunt bell - - 1 - 123 1234 5 1256 7
Expand places above the hunt bell I H G F E D C B A
5. Reverse and invert places from [3] - - 1 - 123 34 5 3456 7
6. Separate into two overlapping strips - - 1 - 123 34
7. Using the start change and overlap 123 34 5 3456 7
8. Expand places above mode in [7] to next stage 145 56 167 78 9 7890 E
9. Connect the static [6] and expanded [8] strip - - 1 - 123 34 145 56 167 78 9 7890 E
10. Reverse and invert places in [9] back again 2 3456 4 56 67T 78 89T 90 0ET - T - -
Expand places below the hunt bell A B C D E F G H I
11. Below places from [4] - - 1 - 123 1234 5 1256 7
12. Separate into two overlapping strips - - 1 - 123 1234
13. Using the start change and overlap 1 - 123 1234 5 1256 7
14. Expand places above mode in [13] to next stage 1 - 123 1238 9 1290 E
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 1234 1 - 123 1238 9 1290 E
Expand places of the hunt bell A B C D E F G H I
16. Hunt bell places from [2] 1 - - - - - - - 8
17. Separate into two overlapping strips 1 - -
18. Using the start change and overlap - - - - - - - 8
19. Expand places above mode in [18] to next stage - - - - - - - - - T
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - - - - T
Recombine above, below and hunt bell places A B C D E F G H I J K L M
21. Above places from [10] 2 3456 4 56 67T 78 89T 90 0ET - T - -
22. Below places from [15] - - 1 - 123 1234 1 - 123 1238 9 1290 E
23. Hunt bell places from [20] 1 - - - - - - - - - - - T
24. [Unnamed] Bob Maximus 12 3456 14 56 12367T 123478 189T 90 1230ET 1238 9T 1290 ET

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

13624785 Gorakhpur City Halt Bob Major 3456.14.56.123678.1234.58.1256.78,12
1534826ET907 [Unnamed] Bob Maximus 3456.14.56.12367T.123478.189T.90.1230ET.1238.9T.1290.ET,12
1058B43E29D76CTA [Unnamed] Differential Bob Sixteen 3456.14.56.12367D.123478.189D.90.1230ED.1238ET.1TAD.AB.123BCD.123T.AD.12AB.CD,12
Major Maximus Sixteen
Gorakhpur City Halt Bob Major [Unnamed] Bob Maximus [Unnamed] Differential Bob Sixteen