Program:

1. group
   10.00 – 10.25 = F2
   10.25 – 10.50 = K7
   10.50 – 11.15 = F4
2. group
   10.00 – 10.25 = E9
   10.25 – 10.50 = E5
   10.50 – 11.15 = B3