C13332313311211113313331333133313331323132233133313331333232211211   >>    C1333231331121111331333133313331333132313223313331333133323221121   <<    C13332313311211113313331333133313331323132233133313331333232211213   >>      C13332313311211113313331333133313331323132233133313331333232211212   >>