C3123223313331322121111331333133313331333121211111211111131211332311   >>    C312322331333132212111133133313331333133312121111121111113121133231   <<    C3123223313331322121111331333133313331333121211111211111131211332313   >>      C3123223313331322121111331333133313331333121211111211111131211332312   >>