C211111133131323223313233313231133132333133313231333132332313231   >>    C21111113313132322331323331323113313233313331323133313233231323   <<    C211111133131323223313233313231133132333133313231333132332313233   >>      C211111133131323223313233313231133132333133313231333132332313232   >>