I guess you always have too much gravity, usually it's enough to power it with your mark, but 1-2 pillars supporting your mark should be enough.
E.g.
55k 55k 55q 5rg 5rg 5rg 5rg 5rg 5rg 5rg 5rq 5rq 5rq 5rq 5rq 5rq 61o 61o 61o 61o 61o 61o 61o 61o 61o 622 622 622 622 622