C312322331333132212111133133313331333133312121111331333221333132313331311331221   >>    C31232233133313221211113313331333133313331212111133133322133313231333131133122   <<    C312322331333132212111133133313331333133312121111331333221333132313331311331223   >>      C312322331333132212111133133313331333133312121111331333221333132313331311331222   >>