C32133223331333131133132212111133133313331311113313222313212211211   >>    C3213322333133313113313221211113313331333131111331322231321221121   <<    C32133223331333131133132212111133133313331311113313222313212211213   >>      C32133223331333131133132212111133133313331311113313222313212211212   >>