C111123313121111121111331333133313331322121111331333133313331323111311   >>    C11112331312111112111133133313331333132212111133133313331333132311131   <<    C111123313121111121111331333133313331322121111331333133313331323111313   >>      C111123313121111121111331333133313331322121111331333133313331323111312   >>