arity: 1
"color: yellow}
edge: {sourcename: "n254" targetname: "n253" label: "0" class:1 priority:50}
-node: {title: "n253" label: "CmpT 253" info1: "mode: T
+node: {title: "n253" label: "Cmp 253" info1: "mode: T
visited: 25
irg: STRENGTH_RED_EXAMPLE_m4
arity: 2