C32133223331333131133132212111133133313331311312332322231122121   >>    C3213322333133313113313221211113313331333131131233232223112212   <<    C32133223331333131133132212111133133313331311312332322231122123   >>      C32133223331333131133132212111133133313331311312332322231122122   >>