C32133223331333131133132212111133133313331323133323312112222332221   >>    C3213322333133313113313221211113313331333132313332331211222233222   <<    C32133223331333131133132212111133133313331323133323312112222332223   >>      C32133223331333131133132212111133133313331323133323312112222332222   >>