C13332313311211113313331333133313331323132233132322133313331323113122211   >>    C1333231331121111331333133313331333132313223313232213331333132311312221   <<    C13332313311211113313331333133313331323132233132322133313331323113122213   >>      C13332313311211113313331333133313331323132233132322133313331323113122212   >>