C32133223331333131133132212111133133313331323223233123122323221   >>    C3213322333133313113313221211113313331333132322323312312232322   <<    C32133223331333131133132212111133133313331323223233123122323223   >>      C32133223331333131133132212111133133313331323223233123122323222   >>