C13332313311211113313331333133313331323132233132313232221123231121   >>    C1333231331121111331333133313331333132313223313231323222112323112   <<    C13332313311211113313331333133313331323132233132313232221123231123   >>      C13332313311211113313331333133313331323132233132313232221123231122   >>