User blog comment:XXxKennyDashxXx/Extended Separator Matrix Notation/@comment-27516045-20161006193935

I know how

((0))) = (n) ((0)1) = rows of ((0)) ((0)2) = rows of ((0)1) ((9)(0)) = ((0)n) ((0)(0)(0)) = ((0)(0)n) ((1)) = ((0)...(0)) ((2)) = ((1)(1)...(1)) (((0))) = ((n))

The limit is z_0.