C312322331333132212111133133313331333133312121111331312111133221333131   >>    C31232233133313221211113313331333133313331212111133131211113322133313   <<    C312322331333132212111133133313331333133312121111331312111133221333133   >>      C312322331333132212111133133313331333133312121111331312111133221333132   >>