1. 2. 3. DE 68 4. 67 a 1 3 CAD 5. 65 7 _ VI PED A A PED PED A PED A A PED PED A PED PED A 1000 PED 6. a 57 V PED B B PED B 1 1 B B PED B PED PED PED 1 B B 2 PED 1 B 7. PED A A A PED 66 8. 2 B 2 PED C B PED C B B PED B PED PBD PED 9. PED C B PED EE a 2 B PED 1 PED B PED 2 PED