C13332313311211113313331333133313331323132233133313331333232121   >>    C1333231331121111331333133313331333132313223313331333133323212   <<    C13332313311211113313331333133313331323132233133313331333232123   >>      C13332313311211113313331333133313331323132233133313331333232122   >>