C32133223331333131133132212111133133313331311212323121311132221   >>    C3213322333133313113313221211113313331333131121232312131113222   <<    C32133223331333131133132212111133133313331311212323121311132223   >>      C32133223331333131133132212111133133313331311212323121311132222   >>