I thought I'd ask for a goal 3^6 (729). But this is impossible with this algorithm. 243 243 243 x x 81 81 81 x x 27 27 27 x x 9 9 9 x

I thought I'd ask for a goal 3^6 (729). But this is impossible with this algorithm. 243 243 243 x x 81 81 81 x x 27 27 27 x x 9 9 9 x x 3 3 3 x x