C1333231331121111331333133313331333132313223313232233132212123231   >>    C133323133112111133133313331333133313231322331323223313221212323   <<    C1333231331121111331333133313331333132313223313232233132212123233   >>      C1333231331121111331333133313331333132313223313232233132212123232   >>