C111123313121111121111331333133313331323232133313331312113313331313133311   >>    C11112331312111112111133133313331333132323213331333131211331333131313331   <<    C111123313121111121111331333133313331323232133313331312113313331313133313   >>      C111123313121111121111331333133313331323232133313331312113313331313133312   >>