C13332313311211113313331333133313331323132233133313311211221121   >>    C1333231331121111331333133313331333132313223313331331121122112   <<    C13332313311211113313331333133313331323132233133313311211221123   >>      C13332313311211113313331333133313331323132233133313311211221122   >>