C32133223331333131133132212111133133313331311113313222311313131211   >>    C3213322333133313113313221211113313331333131111331322231131313121   <<    C32133223331333131133132212111133133313331311113313222311313131213   >>      C32133223331333131133132212111133133313331311113313222311313131212   >>