Extend Ibis Bob Triples


EP4 Dual Mode Constraints



EP4 Dual Mode Derivation

  0 1 2 3 4 5 6 7 8 9
1. Ibis Bob Triples 127 5 1 5 123 7 123 7
2. Extract places above the hunt bell 27 5 - 5 - 7 - -
3. Extract places below the hunt bell - - 1 - 123 - 123 -
Expand places above the hunt bell H G F E D C B A
4. Reverse and invert places from [2] - - 1 - 3 - 3 16
5. Separate into two overlapping strips - - 1 - 3 - 3 16
6. Using the start change and overlap 3 16
7. Expand places above mode in [6] to next stage 3 18
8. Connect the static [5] and expanded [7] strip - - 1 - 3 - 3 16 3 18
9. Reverse and invert places in [8] back again 29 7 49 7 - 7 - 9 - -
Expand places below the hunt bell A B C D E F G H
10. Below places from [3] - - 1 - 123 - 123 -
11. Separate into two overlapping strips - - 1 - 123
12. Using the start change and overlap - 123 - 123 -
13. Expand places above mode in [12] to next stage - 125 - 125 -
14. Connect the static [11] and the expanded [13] strip - - 1 - 123 - 125 - 125 -
Recombine above and below places A B C D E F G H I J
15. Above places from [9] 29 7 49 7 - 7 - 9 - -
16. Below places from [14] - - 1 - 123 - 125 - 125 -
17. Default hunt bell places 1 - - - - - - - - 9
18. [Unnamed] Bob Caters 129 7 149 7 123 7 125 9 125 9

Extension and contraction candidates using extension process EP4-2/6:2:3/3:2:2  

q 1426375 Ibis Bob Triples 5.1.5.123.7.123.7,127
142637958 [Unnamed] Bob Caters 7.149.7.123.7.125.9.125.9,129
1426385E907 [Unnamed] Bob Cinques 9.14E.9.1236E.9.125.9.127.E.127.E,12E
q 142638507T9AE [Unnamed] Bob Sextuples E.14A.E.1236A.E.1258A.E.127.E.129.A.129.A,12A
142638507T9ACEB [Unnamed] Bob Septuples A.14C.A.1236C.A.1258C.A.1270C.A.129.A.12E.C.12E.C,12C
Triples Caters Cinques Sextuples Septuples
Ibis Bob Triples [Unnamed] Bob Caters [Unnamed] Bob Cinques [Unnamed] Bob Sextuples [Unnamed] Bob Septuples