Program:

1. group:
   9.30 – 9.55 = K9
   9.55 – 10.20 = E6
   10.20 – 10.45 = B3
2. group:
   9.30 – 9.55 = E9
   9.55 – 10.20 = F3
   10.20 – 10.45 = E2