C321332233313331311331322121111331333133313113123323221311123311   >>    C32133223331333131133132212111133133313331311312332322131112331   <<    C321332233313331311331322121111331333133313113123323221311123313   >>      C321332233313331311331322121111331333133313113123323221311123312   >>