regit wrote: Wed Apr 05, 2023 6:31 pm How did you determine that those are 3n/4n saddles and not some other partitions such as 2n/3n or 5n/6n?

It's very simple. Partition numbers are nothing but the usual timeframes. Accordingly, n-9n is M1-MN. In the picture M30=4n you can see the top crown of the semaphore, also notice the Term Trades section which tells you that the 3n and 4n partitions are complete. Accordingly, you see a 4n attractor...