C312322331333132212111133133313331333133312121111121111122132311331   >>    C31232233133313221211113313331333133313331212111112111112213231133   <<    C312322331333132212111133133313331333133312121111121111122132311333   >>      C312322331333132212111133133313331333133312121111121111122132311332   >>