C111123313121111121111331333133313331322121111331333133313331333313233121   >>    C11112331312111112111133133313331333132212111133133313331333133331323312   <<    C111123313121111121111331333133313331322121111331333133313331333313233123   >>      C111123313121111121111331333133313331322121111331333133313331333313233122   >>