mv 101.mp3 01.mp3
mv 102.mp3 02.mp3
mv 103.mp3 03.mp3
mv 104.mp3 04.mp3
mv 105.mp3 05.mp3
mv 106.mp3 06.mp3
mv 201.mp3 07.mp3
mv 202.mp3 08.mp3
mv 203.mp3 09.mp3
mv 204.mp3 10.mp3
mv 205.mp3 11.mp3
mv 301.mp3 12.mp3
mv 302.mp3 13.mp3
mv 303.mp3 14.mp3
mv 304.mp3 15.mp3
mv 305.mp3 16.mp3
mv 306.mp3 17.mp3
mv 307.mp3 18.mp3
mv 308.mp3 19.mp3