C111123313121111121111331333133313331333221311312111133133313221323223311   >>    C11112331312111112111133133313331333133322131131211113313331322132322331   <<    C111123313121111121111331333133313331333221311312111133133313221323223313   >>      C111123313121111121111331333133313331333221311312111133133313221323223312   >>