19 courses - 253 lessons 32 hrs 7 mins 22 courses - 309 lessons 28 hrs 30 mins 17 courses - 154 lessons 21 hrs 51 mins 8 courses - 90 lessons 10 hrs 34 mins 21 courses - 254 lessons 29 hrs 2 mins 11 courses - 126 lessons 16 hrs 27 mins 10 courses - 96 lessons 11 hrs 27 mins 15 courses - 172 lessons 23 hrs 27 mins 11 courses - 113 lessons 19 hrs 9 mins 6 courses - 76 lessons 9 hrs 20 mins 17 courses - 177 lessons 23 hrs 55 mins 11 courses - 135 lessons 18 hrs 4 mins 20 courses - 184 lessons 29 hrs 25 mins 16 courses - 182 lessons 22 hrs 9 mins 13 courses - 152 lessons 13 hrs 6 mins 4 courses - 42 lessons 6 hrs 32 mins 12 courses - 134 lessons 19 hrs 15 mins 4 courses - 63 lessons 6 hrs 40 mins 5 courses - 60 lessons 8 hrs 33 mins 5 courses - 60 lessons 6 hrs 41 mins 10 courses - 133 lessons 13 hrs 54 mins 5 courses - 45 lessons 5 hrs 34 mins 12 courses - 172 lessons 19 hrs 34 mins 6 courses - 73 lessons 9 hrs 8 mins 17 courses - 123 lessons 21 hrs 49 mins 5 courses - 57 lessons 5 hrs 30 mins 
