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 13 14 15 16
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 5 3456 7
7. Using the start change and overlap - 1 - 123 34 5 3456 7
8. Expand places above mode in [7] to next stage - 1 - 12E ET A ETAB C
9. Connect the static [6] and expanded [8] strip - - 1 - 123 34 5 3456 7 - 1 - 12E ET A ETAB C
10. Reverse and invert places in [9] back again 2 3456 4 56 6CD - D - 0 ETAB T AB BCD - D - -
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 5 1256 7
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 1234 5 1256 7
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 1234 5 1256 7 - 1 - 123 1234 5 1256 7
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 - - - - - - - - - - - - - D
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - - - - - - - - D
Recombine above, below and hunt bell places A B C D E F G H I J K L M N O P Q
21. Above places from [10] 2 3456 4 56 6CD - D - 0 ETAB T AB BCD - D - -
22. Below places from [15] - - 1 - 123 1234 5 1256 7 - 1 - 123 1234 5 1256 7
23. Hunt bell places from [20] 1 - - - - - - - - - - - - - - - D
24. [Unnamed] Differential Bob Sixteen 12 3456 14 56 1236CD 1234 5D 1256 70 ETAB 1T AB 123BCD 1234 5D 1256 7D

Extension and contraction candidates using extension process EP4-8/1:8:2/1:8:7/1:2:1  

13624785 Gorakhpur City Halt Bob Major 3456.14.56.123678.1234.58.1256.78,12
142CETA9D756B803 [Unnamed] Differential Bob Sixteen 3456.14.56.1236CD.1234.5D.1256.70.ETAB.1T.AB.123BCD.1234.5D.1256.7D,12
Major Sixteen
Gorakhpur City Halt Bob Major [Unnamed] Differential Bob Sixteen