dvgrn wrote:gmc_nxtman wrote:Hmm. This would work in my instance, however, I feel that a far more efficient solution is still out there...

...the requirement that the bit should be toggleable, not just settable, tends to make the circuitry quite a bit bigger.

Here's another idea. It's not necessarily an improvement as it stands -- but at least it works properly, unlike my previous two contributions, and maybe somebody can improve on it.

`x = 184, y = 107, rule = LifeHistory`

136.A$135.A.A$135.A.A$134.2A.3A$135.B4.A$133.B2AB3A$133.B2A.A$131.5B$

130.4B$128.B.5B$127.8B$126.10B$3D2.4D2.2D2.3D106.13B4.2A$D2.D.D4.D2.D

.D2.D98.2A5.12B5.A$D2.D.D4.D2.D.D2.D83.A15.A6.12B.BA.A$3D2.3D2.4D.D2.

D81.3A15.A.AB3.12B.B2A$D2.D.D4.D2.D.D2.D68.A11.A19.2AB.16B$D2.D.D4.D

2.D.D2.D68.3A9.2A20.18B$D2.D.4D.D2.D.3D72.A9.B20.17B$77.2A10.2A9.3B

19.16B16.5D2.2D3.3D2.3D.D4.4D$62.A15.A10.5B5.6B16.17B18.D3.D2.D.D4.D

4.D4.D$12.D.D45.3A15.A.AB9.4B3.10B11.18B19.D3.D2.D.D4.D4.D4.D$10.D5.D

30.A11.A19.2AB.3B4.6B2.11B3.2B2.20B20.D3.D2.D.D4.D4.D4.3D$47.3A9.2A

20.7B.9BD3B2A15BD15B21.D3.D2.D.D.2D.D.2D.D4.D$9.D2.CB3.D32.A9.B20.17B

2D2B2A15BDBD4B.7B22.D3.D2.D.D2.D.D2.D.D4.D$12.B2C22.2A10.2A9.3B19.17B

2D18B3D4B2.6B22.D4.2D3.3D2.3D.4D.4D$9.D2.2C2B.D20.A10.5B5.6B16.18BD

21BD4B3.6B$13.4B21.A.AB9.4B3.10B11.19BD26B6.4B30.D.D$10.D3.2BDB10.A

10.2AB.3B4.6B2.11B3.2B2.19B.B3.13B.4B12.B2A2B28.D5.D$12.D.D4B7.3A12.

7B.9BD3B2A15BD13B7.7B.B4.4B14.2A.B2A$16.4B5.A15.17B2D2B2A15BDBD4B.6B

19.4B18.BA.A24.D3.BD2.D$17.4B4.2A15.17B2D18B3D4B2.B.5B16.4B22.A27.2D

2B$10.2A6.9B14.18BD21BD4B7.2A15.4B.2B11.A8.2A23.D.2B2D2.D$11.A7.6B14.

19BD26B8.A15.11B6.3A34.4B$11.A.2A5.6B3.B2.2B2.19B.B3.13B.4B16.3A11.8B

2A3B4.A36.BD2B3.D$12.A2.A4.33B7.7B.B4.4B19.A10.9B2A3B4.2A10.2A22.4BD.

D$13.2AB3.27B.6B19.4B30.14B2.5B10.A22.4B$14.14B2A16B2.B.5B16.4B30.14B

2.4B9.BA.A21.4B$15.13B2A16B7.2A15.4B30.22B4.3B.B2A10.A10.4B$16.29B8.A

3.A11.4B30.24B.7B12.3A7.4B$16.17B.B.2B16.4A10.4B30.33B15.A5.4B$17.15B

4.3B28.4B30.33B15.2A4.4B$17.15B5.A2B.2A9.4A10.4B30.35B14.9B6.2A$18.

13B5.A.A2B.A9.A3.A8.4B20.2A8.38B14.6B7.A$20.13B2.A.AB2.A13.2A7.4B20.B

2AB6.16B.25B2.2B2.B3.6B5.2A.A$19.8B4.2A.A.A3.A14.5B3.4B21.4B5.4B.8B.

2B2.6B2.33B4.A2.A$19.6B6.2ABA2.4A.A14.3B2.4B23.2B5.4B3.7B6.3B4.6B.27B

3.B2A$19.5B8.B2.A.A3.A.A3.2A7.9B16.A7.4B2.4B5.4B13.5B.B2.16B2A14B$19.

B.B9.2A.2A2.A2.A2.A2.A8.8B16.A.A5.5B.4B5.4B14.2A7.16B2A13B$20.3B9.A.A

2.2A3.2A.A.A.B3.10B18.A.14B5.A.A.A.A13.A8.29B$19.B2AB9.A.A9.A2.3AB.2B

2A7B19.14B5.A.2A.2A.A9.3A16.2B.B.17B$20.2A11.A6.3A2.2A2.BA3B2A7B19.

14B5.A3.A3.A9.A17.3B4.15B$38.A2.A5.4A12B19.4B2A9B5.2A.A3.2A22.2A.2BA

5.15B$38.2A3.A3.A.2B3.7B.B2A16.5B2A10B6.A28.A.2BA.A5.13B$42.2A4.3AB2.

7B.BA.A15.18B5.A.A13.2A12.A2.BA.A2.13B$51.A4.4B5.A13.2AB.11B2.4B5.2A

13.A.A12.A3.A.A.2A4.8B$46.5A5.4B5.2A11.A.AB2.8B5.4B21.A4.2A4.A.4A2.AB

2A6.6B$46.A10.4B17.A5.10B4.4B16.4A.2A2.A2.A.A.A3.A.A2.B8.5B$48.A9.4B

15.2A5.B.B5.2A5.4B15.A2.A.A.A.A.2A.A.A2.A2.2A.2A9.B.B$47.2A10.4B22.3B

4.A7.4B16.BABABA.A5.A3.2A2.A.A9.3B$60.4B20.B2AB5.3A5.4B16.B2ABA.A13.A

.A9.B2AB$61.4B20.2A8.A6.4B16.2B.BA15.A11.2A$62.4B37.4B14.3B$63.4B37.

4B4.2A6.4B$64.4B37.4B4.A6.B2A3B$65.4B37.4B3.A.AB3.B2A3B$66.4B37.4B3.

2AB.10B$67.4B37.4B4.13B$68.4B37.4B3.14B$69.4B37.4B2.15B$70.4B37.4B3.

8B2.4B$71.4B37.4B2.6B5.4B$72.4B37.13B4.4B$73.4B37.6B4.2A5.4B$74.4B36.

5B5.A7.4B$75.4B35.6B5.3A5.4B$76.4B33.8B6.A6.4B$77.4B31.5B.B.2A13.4B$

78.4B29.4B5.A.A13.4B$79.4B27.4B8.A14.4B$80.4B25.4B9.2A14.4B$81.4B23.

4B24.2D2.D2.D.5D$82.4B21.4B24.D2.D.D2.D3.D$83.4B19.4B25.D2.D.D2.D3.D$

84.4B10.A6.4B26.D2.D.D2.D3.D$85.4B7.3A5.4B27.D2.D.D2.D3.D$86.4B5.A7.

4B28.D2.D.D2.D3.D$87.4B4.2A5.4B30.2D3.2D4.D$88.9B4.4B$89.6B5.4B$89.8B

2.4B$87.15B$87.14B$87.13B$85.2AB.10B$84.A.AB3.B2A3B$84.A6.B2A3B$83.2A

6.4B$92.3B$93.2B.BA$92.B2ABA.A$91.BABABA.A$89.A2.A.A.A.A.2A$89.4A.2A

2.A2.A$93.A4.2A$91.A.A$91.2A!

Maybe something like an L156 -- a conduit with an extra mid-conduit glider output -- could improve the geometry here?