seeking suggestions for colour effect with scrollers

Im seeking suggestions for creating a sweeping colour effect using standard ChromaQ scrollers. I'd like to see the individual scrollers start at different places in their scroll then sweep up and down their frames with a phased offset from each other. I know how to preset the 10 scrollers to 10 different frames (that's easy), but then having the channels go up to frame 11 then reverse and go back down to frame 2, rinse, repeat...that's the part that has me puzzled. Any thoughts?

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