C312322331333132212111133133313331333133312121111331323331121121   >>    C31232233133313221211113313331333133313331212111133132333112112   <<    C312322331333132212111133133313331333133312121111331323331121123   >>      C312322331333132212111133133313331333133312121111331323331121122   >>