Teaching the students

15k | 8:00

25k | 7:14

46k | 13:37

61k | 6:55

84k | 20:34

84k | 6:15

84k | 7:30

99k | 7:01

111k | 11:19

114k | 56:21

116k | 10:22

227k | 5:09

228k | 5:09

259k | 5:55

262k | 10:45

279k | 13:37

282k | 6:00

302k | 6:02

309k | 8:01

309k | 40:29