几时再回头
65424, 54216, 56165, 5424 444, 45616, 61242212, 66562465, 56165424 4444543432, 4543432612, 2345645645 45616, 61242, 2465, 2454
Level 2 (2.2 octaves) natural notes
65424, 54216, 56165, 5424 444, 45616, 61242212, 66562465, 56165424 4444543432, 4543432612, 2345645645 45616, 61242, 2465, 2454