Chinese Track Level 1: Lessons 1 to 60
Chinese Track Level 2: Lessons 61 to 120
Chinese Track Level 3: Lessons 121 to 180
Chinese Track Level 4: Lessons 181 to 240
Chinese Track Level 5: Lessons 241 to 300
Chinese Track Level 6: Lessons 301 to 360
Chinese Track Level 7: Lessons 361 to 420
