Extend Corsewall Lighthouse Surprise Minor


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
1. Corsewall Lighthouse Surprise Minor 14 - 36 - 14 56 - 12 36 - 34 - 16
2. Extract places made by the hunt bell 1 - - - - - - - - - - - 6
3. Extract places above the hunt bell 4 - 36 - 4 56 - - 6 - - - -
4. Extract places below the hunt bell - - - - 1 - - 12 3 - 34 - 1
Expand places above the hunt bell G F F F E D D D C B B B A
5. Reverse and invert places from [3] - - - - 1 - - 12 3 - 14 - 3
6. Separate into two overlapping strips - - - - 1 - - 12 3 - 14
7. Using the start change and overlap - 1 - - 12 3 - 14 - 3
8. Expand places above mode in [7] to next stage - 1 - - 12 3 - 14 - 3
9. Connect the static [6] and expanded [8] strip - - - - 1 - - 12 3 - 14 - 1 - - 12 3 - 14 - 3
10. Reverse and invert places in [9] back again 8 - 70 - 8 90 - - 0 - 70 - 8 90 - - 0 - - - -
Expand places below the hunt bell A B B B C D D D E F F F G
11. Below places from [4] - - - - 1 - - 12 3 - 34 - 1
12. Separate into two overlapping strips - - - - 1 - - 12 3
13. Using the start change and overlap - - 12 3 - 34 - 1
14. Expand places above mode in [13] to next stage - - 12 5 - - 12 7 - 78 - 1
15. Connect the static [12] and the expanded [14] strip - - - - 1 - - 12 3 - - 12 5 - - 12 7 - 78 - 1
Expand places of the hunt bell A B B B C D D D E F F F G
16. Hunt bell places from [2] 1 - - - - - - - - - - - 6
17. Separate into two overlapping strips 1 - - - -
18. Using the start change and overlap - - - - - - - - - - - 6
19. Expand places above mode in [18] to next stage - - - - - - - - - - - - - - - 0
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - - - - - - - - - - - - - 0
Recombine above, below and hunt bell places A B B B C D D D E F F F G H H H I J J J K
21. Above places from [10] 8 - 70 - 8 90 - - 0 - 70 - 8 90 - - 0 - - - -
22. Below places from [15] - - - - 1 - - 12 3 - - 12 5 - - 12 7 - 78 - 1
23. Hunt bell places from [20] 1 - - - - - - - - - - - - - - - - - - - 0
24. [Unnamed] Surprise Royal 18 - 70 - 18 90 - 12 30 - 70 12 58 90 - 12 70 - 78 - 10

Extension and contraction candidates using extension process EP4-4/3:8:4/5:4:2/1:4:1  

152643 Corsewall Lighthouse Surprise Minor -36-14.56-12.36-34-16,14
1523089746 [Unnamed] Surprise Royal -70-18.90-12.30-70.12.58.90-12.70-78-10,18
15238EBT47A960 [Unnamed] Differential Surprise Fourteen -EB-1T.AB-12.3B-EB.12.5T.AB-12.7B-EB.12.9T.AB-12.EB-ET-1B,1T
Minor Royal Fourteen
Corsewall Lighthouse Surprise Minor [Unnamed] Surprise Royal [Unnamed] Differential Surprise Fourteen