C3123223313331322121111331333133313231333132212111112111113223313233122311   >>    C312322331333132212111133133313331323133313221211111211111322331323312231   <<    C3123223313331322121111331333133313231333132212111112111113223313233122313   >>      C3123223313331322121111331333133313231333132212111112111113223313233122312   >>