C32133223331333131133132212111133133313331311113313222231123221   >>    C3213322333133313113313221211113313331333131111331322223112322   <<    C32133223331333131133132212111133133313331311113313222231123223   >>      C32133223331333131133132212111133133313331311113313222231123222   >>