19 courses - 253 lessons32 hrs 7 mins 22 courses - 309 lessons28 hrs 30 mins 17 courses - 154 lessons21 hrs 51 mins 8 courses - 90 lessons10 hrs 34 mins 21 courses - 254 lessons29 hrs 2 mins 11 courses - 126 lessons16 hrs 27 mins 10 courses - 96 lessons11 hrs 27 mins 15 courses - 172 lessons23 hrs 27 mins 11 courses - 113 lessons19 hrs 9 mins 6 courses - 76 lessons9 hrs 20 mins 17 courses - 177 lessons23 hrs 55 mins 11 courses - 135 lessons18 hrs 4 mins 20 courses - 164 lessons29 hrs 25 mins 16 courses - 182 lessons22 hrs 9 mins 13 courses - 152 lessons13 hrs 6 mins 4 courses - 42 lessons6 hrs 32 mins 12 courses - 134 lessons19 hrs 15 mins 4 courses - 63 lessons6 hrs 40 mins 5 courses - 60 lessons8 hrs 33 mins 5 courses - 60 lessons6 hrs 41 mins 10 courses - 133 lessons13 hrs 54 mins 5 courses - 45 lessons5 hrs 34 mins 12 courses - 172 lessons19 hrs 34 mins 6 courses - 73 lessons9 hrs 8 mins 17 courses - 118 lessons21 hrs 49 mins 5 courses - 57 lessons5 hrs 30 mins 
