C312322331333132212111133133313331333133312121111331311331311321123231   >>    C31232233133313221211113313331333133313331212111133131133131132112323   <<    C312322331333132212111133133313331333133312121111331311331311321123233   >>      C312322331333132212111133133313331333133312121111331311331311321123232   >>