C312322331333132212111133133313331333133312121111331323132213113121   >>    C31232233133313221211113313331333133313331212111133132313221311312   <<    C312322331333132212111133133313331333133312121111331323132213113123   >>      C312322331333132212111133133313331333133312121111331323132213113122   >>