EPE took 11007 seconds to collect all the 2obo! objects in B2a rules with period 4 or less. As it turns out, the geometry of the situation enforces a period of exactly 4 for all of these objects. A total of 4934127*2^60 rules, or about 0.001795% of all B2a rules, support one of these objects.
If you replicate this search yourself and compare it against a 3o! search, you can probably figure out why I stopped at generation 4. Now attempting: o3bo$2bo! An unintentional preliminary result indicates that there are 161 such objects wiht period 4 or less; I sought to run for 6 generations.
Code: Select all
o3bo$2bo!
B/S0: (0,0)/1, Minpop:3, 2^97
B2c2e2k4i5y/S01e2c3j4e: (0,0)/4, Minpop:3, 2^79
B2k3a3i/S0: (0,1)/2, Minpop:3, 2^89
B2e2k3a3i3n/S01e4i: (0,2)/4, Minpop:3, 2^80
B2k3a5i/S0: (0,0)/4, Minpop:3, 2^89
B2e2k3a3n5i/S01e3i4i: (0,0)/4, Minpop:3, 2^80
B2c2k2i3a/S04i: (0,2)/4, Minpop:3, 2^81
B2c2k2i3a3i3n3r/S04i: (0,2)/4, Minpop:3, 2^79
B2c2k3c3a3i/S01c1e4i: (0,1)/4, Minpop:3, 2^77
B2c2k3c3a3i3r/S01e4i5y: (0,0)/4, Minpop:3, 2^76
B2c2k3a3r5i/S02i4i: (0,2)/4, Minpop:3, 2^80
B2k3a4i/S01c2e3e3j: (0,0)/4, Minpop:3, 2^81
B2k3a3i5y/S03j: (0,0)/3, Minpop:3, 2^84
B2k3a3i4i5y/S02c2i3j: (0,0)/4, Minpop:3, 2^80
B2e2k3a3i4i5y/S03k3j: (0,1)/4, Minpop:3, 2^78
B2k3a3i3j4i/S03k3j: (0,1)/4, Minpop:3, 2^80
B2k3a/S03j4i: (0,0)/3, Minpop:3, 2^87
B2k3a/S01c2i3e3j4i: (0,0)/4, Minpop:3, 2^82
B2k3a/S01e2c3i3j4i: (0,0)/4, Minpop:3, 2^82
B2k3a3i/S03j4i5y: (0,0)/3, Minpop:3, 2^85
B2k3a3i/S02c3i3j4i4j: (0,1)/4, Minpop:3, 2^79
B2k3a5i/S01c3e3j4i4r5i: (0,0)/4, Minpop:3, 2^80
B2k3a5i/S01e3i3j4a4i5i: (0,0)/4, Minpop:3, 2^81
B2k3e3a3i5i/S01c3j4i5i5n: (0,0)/4, Minpop:3, 2^75
B2k3a3i4e5i/S01c3i3j4i5i5n: (0,0)/4, Minpop:3, 2^74
B2e2k3a3i5i/S03j4i5i5n6c: (0,1)/4, Minpop:3, 2^75
B2k3a3i3j4a4i5i/S03j4i5i5n: (0,1)/4, Minpop:3, 2^75
B2k3a3i4a5i5y/S01c3j4i5i5n: (0,0)/4, Minpop:3, 2^75
B2k3a3i3j4a5i/S03j4i5i5n6c: (0,1)/4, Minpop:3, 2^75
B2k3e3a3i3n4a5i/S03j4a4i6c: (0,1)/4, Minpop:3, 2^73
B2k3a3i4a5i/S01e3j4c4a4i6c: (0,0)/4, Minpop:3, 2^73
B2k3a3i4a4i5i/S03j4a4i5n: (0,1)/4, Minpop:3, 2^75
B2k3a3i4a5i/S03j4a4i5n6c: (0,1)/4, Minpop:3, 2^77
B2c2k3a5y/S02c2e3q3j: (0,1)/4, Minpop:3, 2^77
B2c2e2k3a4i4t/S02c3j: (0,-1)/4, Minpop:3, 2^76
B2c2e2k3a4i5y/S02c3j4t: (0,-1)/4, Minpop:3, 2^75
B2c2e2k3a4i5y/S02c3q3j6c: (0,-1)/4, Minpop:3, 2^76
B2c2k3a/S03j4i: (0,0)/3, Minpop:3, 2^84
B2c2k3a/S01c2i3e3j4i: (0,0)/4, Minpop:3, 2^80
B2c2k3a6c/S01c2c3e3j4i: (0,0)/4, Minpop:3, 2^78
B2c2k3a6c/S01e3i3j4i4n: (0,0)/4, Minpop:3, 2^80
B2c2e2k3a6c/S02c3j4i4t: (0,-1)/4, Minpop:3, 2^78
B2c2e2k3a6c/S02c3j4i4n6c: (0,-1)/4, Minpop:3, 2^78
B2c2k3a3i/S03j4i5y: (0,0)/3, Minpop:3, 2^81
B2c2k3a3i6c/S02c3j4i4n4j5y: (0,1)/4, Minpop:3, 2^77
B2c2k3a5i/S01c1e3i3j4i5i6c: (0,0)/4, Minpop:3, 2^76
B2c2e2k3a5i/S03i3j4i4t5i6c: (0,-1)/4, Minpop:3, 2^76
B2k2n3e3i/S01c2a: (0,0)/4, Minpop:3, 2^83
B2k/S02a4i: (0,0)/2, Minpop:3, 2^89
B2k3i3q/S01e2a4i5y: (0,0)/4, Minpop:3, 2^84
B2k3c3i4e5i/S01c2a: (0,0)/4, Minpop:3, 2^81
B2k3n5i/S01c1e2a3e4i: (0,0)/4, Minpop:3, 2^80
B2k3r5i/S01e2a3i4i: (0,0)/4, Minpop:3, 2^82
B2k3i5i/S02a2i4i: (0,0)/3, Minpop:3, 2^85
B2k3i4e4n5i/S01c1e2a4i: (0,0)/4, Minpop:3, 2^79
B2k3i4n5i/S01c1e2a2i4e4i: (0,0)/4, Minpop:3, 2^79
B2c2k/S02a: (0,0)/4, Minpop:3, 2^89
B2c2k3c3i3r5i6c/S01e2a: (0,0)/4, Minpop:3, 2^76
B2k4i/S01c2a3e3j: (0,0)/4, Minpop:3, 2^81
B2k3i5y/S02a3j: (0,0)/3, Minpop:3, 2^83
B2k3i4i5y/S02c2a2i3j: (0,0)/4, Minpop:3, 2^79
B2k3i4i5y/S01c2c2a3q3j4e: (0,0)/4, Minpop:3, 2^78
B2e2k3i3j4i/S02a3q3j: (0,1)/4, Minpop:3, 2^78
B2e2k3i5y/S01e2e2a3j4c: (0,0)/4, Minpop:3, 2^76
B2k3i/S01e2c2a3j4i5y: (0,0)/4, Minpop:3, 2^81
B2k3i5y/S02a3i3j4i4w: (0,0)/4, Minpop:3, 2^80
B2k5i/S02a3j: (0,0)/3, Minpop:3, 2^87
B2k5i/S01c2a2i3i3j: (0,0)/4, Minpop:3, 2^82
B2k5i/S01e2c2a3e3j: (0,0)/4, Minpop:3, 2^82
B2k5i/S01c2a3e3j4a4i5i: (0,0)/4, Minpop:3, 2^80
B2k5i/S01e2a3i3j4i4r5i: (0,0)/4, Minpop:3, 2^81
B2c2e2k4i/S02a3i3j: (0,1)/4, Minpop:3, 2^79
B2c2k4i/S01c2a3e3j: (0,0)/4, Minpop:3, 2^79
B2c2e2k4i5y/S02c2a3i3j: (0,1)/4, Minpop:3, 2^75
B2c2k4i5y/S01c2c2a3j4e: (0,0)/4, Minpop:3, 2^75
B2c2k5y6c/S02a3k3j: (0,0)/4, Minpop:3, 2^80
B2c2k4i5y/S02a3k3j6c: (0,0)/4, Minpop:3, 2^79
B2c2k3j4i/S02c2a3e3j: (0,0)/4, Minpop:3, 2^77
B2c2k3j4i5y/S02c2a3j4e: (0,0)/4, Minpop:3, 2^76
B2c2k3i5y/S01c2c2a3q3j4e: (0,0)/4, Minpop:3, 2^75
B2c2k/S01c2a2i3j4i: (0,0)/4, Minpop:3, 2^81
B2c2k6c/S01c2c2a3e3j4i: (0,0)/4, Minpop:3, 2^77
B2c2k6c/S02c2a3j4k4i5i: (0,0)/4, Minpop:3, 2^79
B2c2k3i/S02a3j4i5y: (0,0)/3, Minpop:3, 2^82
B2c2e2k3i6c/S02c2a3j4i4w5y: (0,1)/4, Minpop:3, 2^74
B2c2e2k3i6c/S02c2a3i3j4i4w5y: (0,1)/4, Minpop:3, 2^74
B2c2e2k5i/S02a3i3j5y: (0,1)/4, Minpop:3, 2^77
B2c2k3i5i6c/S02a3j: (0,0)/3, Minpop:3, 2^81
B2c2k3i5i/S01e2a3i3j4j: (0,0)/4, Minpop:3, 2^77
B2c2k5i/S02a3j4i5i: (0,0)/3, Minpop:3, 2^83
B2c2k5i/S01c2a2i3j4a4i5i: (0,0)/4, Minpop:3, 2^78
B2c2e2k5i/S02a3i3j4a4i6c: (0,1)/4, Minpop:3, 2^75
B2c2k5i/S01c2a3e3i3j4a4i5i6c: (0,0)/4, Minpop:3, 2^75
B2c2k5i/S01e2a3i3j4i5n: (0,0)/4, Minpop:3, 2^78
B2c2k4a5i/S01c1e2a3i3j4i5i6c: (0,0)/4, Minpop:3, 2^75
B2c2e2k4a5i/S02a3i3j4i4t5i6c: (0,-1)/4, Minpop:3, 2^75
B2c2e2k3i5i/S02a3i3j4i5a6c: (0,1)/4, Minpop:3, 2^76
B2k3a3r/S01e2a2i4i: (0,0)/4, Minpop:3, 2^82
B2e2k3a3i3n/S01e2a4i: (0,2)/4, Minpop:3, 2^79
B2k3a3i3n4z/S01e2a4i: (0,2)/4, Minpop:3, 2^81
B2k3e3a3n5i/S01e2a: (0,0)/4, Minpop:3, 2^81
B2k3a3i4e5i5r/S01e2a4i: (0,0)/4, Minpop:3, 2^78
B2c2k2i3a3r/S01e2a4i: (0,2)/4, Minpop:3, 2^78
B2c2k3a3n5i/S01e2e2a: (0,1)/4, Minpop:3, 2^79
B2c2e2k3a3i4z5i/S01e2a: (0,2)/4, Minpop:3, 2^73
B2c2e2k2i3a3i4z5i/S01e2a: (0,2)/4, Minpop:3, 2^74
B2c2k3a3i4y4z5i/S01e2a: (0,2)/4, Minpop:3, 2^76
B2c2k2i3a3i4y4z5i/S01e2a: (0,2)/4, Minpop:3, 2^75
B2c2e2k3a5i5r/S01e2a4i: (0,2)/4, Minpop:3, 2^74
B2c2e2k3a5i5r/S01e2a2i4i: (0,2)/4, Minpop:3, 2^73
B2k3a3i5y/S01e2c2a3a3j: (0,1)/4, Minpop:3, 2^76
B2k3a3i3j5y/S02e2a3a3j4c: (0,0)/4, Minpop:3, 2^77
B2e2k3a3i3j5y/S02c2a3a3j: (0,2)/4, Minpop:3, 2^76
B2k3a/S02a2i3a3j4i4r: (0,0)/4, Minpop:3, 2^82
B2k2i3a3i4a/S02k2a3a3j4i: (0,1)/4, Minpop:3, 2^77
B2k3e3a3i4a/S02k2a3a3j4i5y: (0,1)/4, Minpop:3, 2^76
B2k3a3i/S01e2a3a3i3j4a4i5y: (0,1)/4, Minpop:3, 2^76
B2k3a3i4a/S02e2a3a3j4c4a4i5y: (0,0)/4, Minpop:3, 2^76
B2e2k3a3i4a/S02a3a3i3j4a4i5y: (0,2)/4, Minpop:3, 2^76
B2k3a5i/S02a2i3a3j4a: (0,0)/4, Minpop:3, 2^82
B2c2k3a4i/S02a3e3a3j: (0,0)/4, Minpop:3, 2^78
B2c2k3a4i5y/S02c2a3a3j4e: (0,0)/4, Minpop:3, 2^74
B2c2k3a3j4i/S02c2e2a3a3i3j: (0,1)/4, Minpop:3, 2^72
B2c2k3a3j4i/S02c2a3e3a3n3j: (0,0)/4, Minpop:3, 2^72
B2c2e2k3a3j4i6i/S02c2a3a3j: (0,-1)/4, Minpop:3, 2^72
B2c2k3a3j4i5y/S02c2e2a3a3i3j: (0,1)/4, Minpop:3, 2^73
B2c2e2k3a3j4i5y/S02c2a3a3j6i: (0,-1)/4, Minpop:3, 2^73
B2c2k3a/S02a2i3a3j4i4r: (0,0)/4, Minpop:3, 2^79
B2c2e2k3a3j6i/S02c2a3a3j4i4r: (0,-1)/4, Minpop:3, 2^75
B2c2e2k3a3i4a/S02a3a3j4i5y: (0,2)/4, Minpop:3, 2^74
B2c2e2k3a3i4a6c/S02c2a3a3j4i: (0,2)/4, Minpop:3, 2^71
B2c2e2k3a3i4a6c/S02c2a3a3i3j4i: (0,2)/4, Minpop:3, 2^72
B2c2e2k3a3i4a6c/S02c2a3a3i3j4i5y: (0,2)/4, Minpop:3, 2^70
B2c2k3a5i/S02a3e3a3j4a: (0,0)/4, Minpop:3, 2^80
B2c2k3a5i/S01e2a3a3j5y5q: (0,1)/4, Minpop:3, 2^77
B2c2k3a5i/S01e2a3a3i3j5q: (0,1)/4, Minpop:3, 2^74
B2c2e2k3a4a4t5i/S02a3a3i3j: (0,-1)/4, Minpop:3, 2^75
B2c2k3a4a5i/S01e2a3a3i3j5y: (0,1)/4, Minpop:3, 2^73
B2c2k3a4a5i/S02k2a2i3a3i3j5y: (0,0)/4, Minpop:3, 2^73
B2c2e2k3a4a5i/S02a3a3i3j4t5y: (0,-1)/4, Minpop:3, 2^73
B2c2e2k3a3i3j5i6c/S02a3a3j: (0,2)/4, Minpop:3, 2^74
B2c2e2k3a3i3j5i6c/S02c2a3a3j: (0,2)/4, Minpop:3, 2^73
B2c2e2k3a3i3j5i/S02a3a3i3j5y: (0,2)/4, Minpop:3, 2^71
B2c2e2k3a3i3j5i/S02c2a3a3i3j5y: (0,2)/4, Minpop:3, 2^72
B2c2e2k3a3i3j5i6c/S02a3a3i3j5y: (0,2)/4, Minpop:3, 2^71
B2c2e2k3a3i3j5i6c/S02c2a3a3i3j5y: (0,2)/4, Minpop:3, 2^70
B2c2k3a5i/S02a2i3a3j4i5i: (0,0)/4, Minpop:3, 2^80
B2c2e2k3a4a5i/S02a3a3i3j4i6c: (0,-1)/4, Minpop:3, 2^76
B2c2e2k3a4a5i6i/S02a3a3i3j4i5i: (0,-1)/4, Minpop:3, 2^75
B2c2k2a3e4i5i/S03j3r4r5i: (0,0)/4, Minpop:3, 2^68
B2c2k2a4e4i5i/S03j3r4r5i7e: (0,0)/4, Minpop:3, 2^68
B2c2k2a3e5i/S03j4i4r5i: (0,0)/4, Minpop:3, 2^70
B2c2k2a5i/S03e3j4i4r5i7e: (0,0)/4, Minpop:3, 2^70
B2c2k2a4e5i/S03j4i4r5i8: (0,0)/4, Minpop:3, 2^70
B2c2e2k2a2i3a3r4n/S0: (0,-2)/4, Minpop:3, 2^75
B2c2e2k2a3e3a3r5e/S04i: (0,-2)/4, Minpop:3, 2^71
B2c2e2k2a3e3a3r4t5e6c/S02i4i4t: (0,0)/4, Minpop:3, 2^68
B2c2e2k2a2i3k3a3r5i5j/S0: (0,-2)/4, Minpop:3, 2^69
B2c2e2k2a2i3k3a3r5i5y5j/S03e3r4t: (0,0)/4, Minpop:3, 2^67
B2c2e2k2a2i3k3a3r5i5j6c/S03e3i3r4t: (0,0)/4, Minpop:3, 2^66
B2c2k2a3a4i5i7e/S03y3j4e4j4r5i7e: (0,0)/4, Minpop:3, 2^67