C1333231331121111331333133313331333132313223313232233133313221311   >>    C133323133112111133133313331333133313231322331323223313331322131   <<    C1333231331121111331333133313331333132313223313232233133313221313   >>      C1333231331121111331333133313331333132313223313232233133313221312   >>