C3123223313331322121111331333133313331333121211113313221211332332311   >>    C312322331333132212111133133313331333133312121111331322121133233231   <<    C3123223313331322121111331333133313331333121211113313221211332332313   >>      C3123223313331322121111331333133313331333121211113313221211332332312   >>