Q913 re1 w1 lec 2
Q913 re1 w5 lec 17
Q913 re1 w5 lec 18
Q913 re1 w2 lec 5
Q913 re1 w2 lec 7
Q913 re1 w5 lec 19
Q921 re1 lec3 v1
Q921 re1 lec5 v1
Q922+re2+l03 v1
Q921 re1 lec2 v1
Q921 re1 lec9 v1
Q921 re1 lec6 v1