C13332313311211113313331333133313331311331322331323133313231333113121   >>    C1333231331121111331333133313331333131133132233132313331323133311312   <<    C13332313311211113313331333133313331311331322331323133313231333113123   >>      C13332313311211113313331333133313331311331322331323133313231333113122   >>