C312322331333132212111133133313331333133312121111331331122131231331   >>    C31232233133313221211113313331333133313331212111133133112213123133   <<    C312322331333132212111133133313331333133312121111331331122131231333   >>      C312322331333132212111133133313331333133312121111331331122131231332   >>