cibd 10.0: Program for Constructing cyclic IBDs of size (v,k,r)
(c) 2018 Design Computing (http://designcomputing.net/)

Note: Best cyclic IBD for v=43, k=7, r=14, b=86

Try	iter	E	E/U	Concurrences
194	4	0.878	1.001	2(42) 

Initial block(s) and the no. of blocks generated by each initial block for try 194 using seed -926977434:

0	3	10	18	1	30	6	 (43)
0	4	11	32	24	6	33	 (43)

Plan (blocks are columns):

25	18	24	17	28	32	9	29	16	39	38	36	26	7	8	23	5	19	30	27	0	14	15	35	12	11	22	42	21	6	33	13	31	3	4	37	34	10	1	2	41	20	40	
28	21	27	20	31	35	12	32	19	42	41	39	29	10	11	26	8	22	33	30	3	17	18	38	15	14	25	2	24	9	36	16	34	6	7	40	37	13	4	5	1	23	0	
35	28	34	27	38	42	19	39	26	6	5	3	36	17	18	33	15	29	40	37	10	24	25	2	22	21	32	9	31	16	0	23	41	13	14	4	1	20	11	12	8	30	7	
0	36	42	35	3	7	27	4	34	14	13	11	1	25	26	41	23	37	5	2	18	32	33	10	30	29	40	17	39	24	8	31	6	21	22	12	9	28	19	20	16	38	15	
26	19	25	18	29	33	10	30	17	40	39	37	27	8	9	24	6	20	31	28	1	15	16	36	13	12	23	0	22	7	34	14	32	4	5	38	35	11	2	3	42	21	41	
12	5	11	4	15	19	39	16	3	26	25	23	13	37	38	10	35	6	17	14	30	1	2	22	42	41	9	29	8	36	20	0	18	33	34	24	21	40	31	32	28	7	27	
31	24	30	23	34	38	15	35	22	2	1	42	32	13	14	29	11	25	36	33	6	20	21	41	18	17	28	5	27	12	39	19	37	9	10	0	40	16	7	8	4	26	3	

31	40	32	7	33	23	12	38	3	25	0	24	20	19	36	1	26	34	35	17	22	30	8	4	28	39	29	15	5	14	10	42	41	2	16	9	6	21	27	37	18	13	11	
35	1	36	11	37	27	16	42	7	29	4	28	24	23	40	5	30	38	39	21	26	34	12	8	32	0	33	19	9	18	14	3	2	6	20	13	10	25	31	41	22	17	15	
42	8	0	18	1	34	23	6	14	36	11	35	31	30	4	12	37	2	3	28	33	41	19	15	39	7	40	26	16	25	21	10	9	13	27	20	17	32	38	5	29	24	22	
20	29	21	39	22	12	1	27	35	14	32	13	9	8	25	33	15	23	24	6	11	19	40	36	17	28	18	4	37	3	42	31	30	34	5	41	38	10	16	26	7	2	0	
12	21	13	31	14	4	36	19	27	6	24	5	1	0	17	25	7	15	16	41	3	11	32	28	9	20	10	39	29	38	34	23	22	26	40	33	30	2	8	18	42	37	35	
37	3	38	13	39	29	18	1	9	31	6	30	26	25	42	7	32	40	41	23	28	36	14	10	34	2	35	21	11	20	16	5	4	8	22	15	12	27	33	0	24	19	17	
21	30	22	40	23	13	2	28	36	15	33	14	10	9	26	34	16	24	25	7	12	20	41	37	18	29	19	5	38	4	0	32	31	35	6	42	39	11	17	27	8	3	1	

Note: The order of treatments within each block is not randomized.
Note: cibd used 2.506 seconds.
Note: Evaluation copy - purchase at www.designcomputing.net