Analogue-sequencer

forgive me if I've got this totally wrong, but I still feel like I'm a
beginner here on the P3 (as well as the Polymorph)..they're both kind of
new.

It seems like on the P3, if wanted to send out 4 different controllers to
one MIDI channel on a synth, and I wanted each of these rows to be a
different length and/or time division, I'd have to set up 4 (or 5, if I
wanted them to all be different from the basic pattern length and time
division) tracks to do this. The Polymorph is limited to 3 rows of
controllers per track, but I can set each to a different time division and
length.

Is this correct?

(This is by no means an implication that if true that the Polymorph comes
close to the capabilities of the P3, but I'm trying to get a clear sense of
the capabilities/limitations of each).

Thanks,
Gene