C111123313121111121111331333133313331333133313331333133313331323211132311   >>    C11112331312111112111133133313331333133313331333133313331333132321113231   <<    C111123313121111121111331333133313331333133313331333133313331323211132313   >>      C111123313121111121111331333133313331333133313331333133313331323211132312   >>