If my goal was Brent and Suzanette, I would tow to PP, and head through Bayley, Burke, and North Bay, thorugh Isabella and Side, and into Sarah and to Brent from there.  Last time that way we camped first night on Isabella (probably my favorite lake along with it's creek) and second on Brent.  Would prefer to get to Sarah on day one but kind of pushing it for me. I suppose you could tow to motor limit on Basswood and head up thorugh Nest to Side and so on, and save a little over the paddle thorugh Bayley and North Bay.

Maybe your route thorugh Robinson makes sense but looks longer.