This test passes if the depth and height of braces match the maximum depth and height of its siblings.
{ { { { xyz xyz xyz xyz xyz { 1 2 3 4 - 5 6 * 1 2 3 4 5 6 7 8 9 10 11 + 7 8 9 10 / 1 2 1 2 3 4 5 5 6 { | } { p { |