C1111133313331323223313331333133313231333132332131333132333131111311   >>    C111113331333132322331333133313331323133313233213133313233313111131   <<    C1111133313331323223313331333133313231333132332131333132333131111313   >>      C1111133313331323223313331333133313231333132332131333132333131111312   >>