C13332313311211113313331333133313331323132233133313311211111231211   >>    C1333231331121111331333133313331333132313223313331331121111123121   <<    C13332313311211113313331333133313331323132233133313311211111231213   >>      C13332313311211113313331333133313331323132233133313311211111231212   >>