Weight distribution when fishing alone?

I am trying to figure out how to best distribute the weight, going out alone in my 12ft Jon. With a 52Lbs Outboard, myself 220lbs, 6 gallon tank ( I can put towards the middle bench) etc Trolling battery will be in the middle bench. I am a bit worried about it. Thanks

Sometimes when I go out by myself I have a 30# sand bag that I put in front & mine is a 12 foot also.

in my 1236 I had before my current boat - this is how I had it set up:

middle bench - 2 31 series batteries on opposite sides of the bench wired parallel for the front motor
Transom area - 2 - 55# thrust TMs, and 2 - 31 series batteries in the center wired parallel
Front: in front of the middle bench, I had my seat and I weight about 180#s

I sat level like this - the batteries in the rear leveled me out (the batteries are about 70#s each), but I also had 2 batteries in the front too