C3123223313331322121111331333133313231333132333133313231311112222311   >>    C312322331333132212111133133313331323133313233313331323131111222231   <<    C3123223313331322121111331333133313231333132333133313231311112222313   >>      C3123223313331322121111331333133313231333132333133313231311112222312   >>