Extend Callender Bob Doubles

Extension above the hunt bell:

Strip start change

Strip overlap

Expansion mode

Extension below the hunt bell:

Strip start change

Strip overlap

Expansion mode

Stages to display:

From stage

To stage

Stage increment

	0	1	2	3	4	5	6	7
1. Callender Bob Doubles	123	5	145	125	3	5
2. Extract places above the hunt bell	23	5	45	5	-	-
3. Extract places below the hunt bell	-	-	1	12	3	-
Expand places above the hunt bell	F	E	D	C	B	A
4. Reverse and invert places from [2]	-	-	1	12	1	34
5. Separate into two overlapping strips	-	-	1	12
6. Using the start change and overlap			1	12	1	34
7. Expand places above mode in [6] to next stage			1	12	1	34
8. Connect the static [5] and expanded [7] strip	-	-	1	12	1	12	1	34
9. Reverse and invert places in [8] back again	45	7	67	7	67	7	-	-
Expand places below the hunt bell	A	B	C	D	E	F
10. Below places from [3]	-	-	1	12	3	-
11. Separate into two overlapping strips	-	-	1	12
12. Using the start change and overlap			1	12	3	-
13. Expand places above mode in [12] to next stage			1	14	5	-
14. Connect the static [11] and the expanded [13] strip	-	-	1	12	1	14	5	-
Recombine above and below places	A	B	C	D	E	F	G	H
15. Above places from [9]	45	7	67	7	67	7	-	-
16. Below places from [14]	-	-	1	12	1	14	5	-
17. Default hunt bell places	1	-	-	-	-	-	-	7
18. [Unnamed] Bob Triples	145	7	167	127	167	147	5	7

Doubles	Triples	Caters	Cinques	Sextuples	Septuples