C211111133131323223313233313231133132333133313231333132333132232311   >>    C21111113313132322331323331323113313233313331323133313233313223231   <<    C211111133131323223313233313231133132333133313231333132333132232313   >>      C211111133131323223313233313231133132333133313231333132333132232312   >>