C13332313311211113313331333133313331323132233133313331333113212311   >>    C1333231331121111331333133313331333132313223313331333133311321231   <<    C13332313311211113313331333133313331323132233133313331333113212313   >>      C13332313311211113313331333133313331323132233133313331333113212312   >>