digraph {
	rankdir=LR
	"贫困" [pos="0,0!"]
	"中产" [pos="2,1!"]
	"富裕" [pos="4,0!"]
	"贫困" -> "贫困"
	"贫困" -> "中产"
	"中产" -> "贫困"
	"中产" -> "中产"
	"中产" -> "富裕"
	"富裕" -> "贫困"
	"富裕" -> "中产"
	"富裕" -> "富裕"
}
