| 20 | 1648 | 20 | | 1977 | 1981 10 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 19 | 60 | | | | | 44-45 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 46 | | | | | 47 | 45km 30km | | | | | | | | 48 | | | | 1900 | 2100m | 0.61.2km 16km | | U | 49 | 50 | | | | | U T | | | | | | | | | | | | | | | | | | | | | | 4-5 | | | | | | | | | | | | | | 300 | | | | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |