C32133223331333131133132212111133133313331311113313222223312221   >>    C3213322333133313113313221211113313331333131111331322222331222   <<    C32133223331333131133132212111133133313331311113313222223312223   >>      C32133223331333131133132212111133133313331311113313222223312222   >>