IBD 7.0: Construct an IBD of size (v,k,r) (c) 2012 Design Computing (designcomputing.net/) Note: Best IBD for v=15, k=5, r=14, b=42. try # 4240 seed 2113452711 # of iterations 52 E 0.8571 E/U 1 concurrences 4(105) Plan (blocks are columns): 6 11 4 5 5 5 5 4 7 1 11 7 6 0 13 14 13 3 5 5 11 14 12 10 4 7 11 0 12 3 3 11 13 11 14 5 13 9 11 3 10 0 14 5 0 2 9 14 6 7 13 10 2 5 11 9 9 13 4 5 0 8 12 4 14 12 2 10 12 14 3 2 10 1 9 0 3 11 1 1 14 8 7 7 1 12 5 8 7 6 10 2 14 13 10 1 5 3 4 5 12 10 14 12 1 9 6 14 6 8 9 3 7 0 14 7 10 3 13 13 12 0 0 4 1 13 9 1 9 1 2 11 2 12 3 4 7 12 3 10 10 2 8 12 9 0 3 11 8 0 0 4 13 5 4 8 1 14 12 13 7 6 2 8 12 9 6 11 8 4 13 10 3 4 13 6 8 7 9 9 10 6 8 1 0 8 7 7 9 2 2 2 1 11 6 4 6 11 4 8 14 1 6 8 3 6 10 2 0 2 Note: IBD used 55.941 seconds.