C32133223331333131133132212111133133313331311312332322232113232211   >>    C3213322333133313113313221211113313331333131131233232223211323221   <<    C32133223331333131133132212111133133313331311312332322232113232213   >>      C32133223331333131133132212111133133313331311312332322232113232212   >>