| 6991 | - | 1 | = | 6990 |
| 6991 | - | 2 | = | 6989 |
| 6991 | - | 3 | = | 6988 |
| 6991 | - | 4 | = | 6987 |
| 6991 | - | 5 | = | 6986 |
| 6991 | - | 6 | = | 6985 |
| 6991 | - | 7 | = | 6984 |
| 6991 | - | 8 | = | 6983 |
| 6991 | - | 9 | = | 6982 |
| 6991 | - | 10 | = | 6981 |
| 6991 | - | 11 | = | 6980 |
| 6991 | - | 12 | = | 6979 |
| 6991 | - | 13 | = | 6978 |
| 6991 | - | 14 | = | 6977 |
| 6991 | - | 15 | = | 6976 |
| 6991 | - | 16 | = | 6975 |
| 6991 | - | 17 | = | 6974 |
| 6991 | - | 18 | = | 6973 |
| 6991 | - | 19 | = | 6972 |
| 6991 | - | 20 | = | 6971 |
| 6991 | - | 21 | = | 6970 |
| 6991 | - | 22 | = | 6969 |
| 6991 | - | 23 | = | 6968 |
| 6991 | - | 24 | = | 6967 |
| 6991 | - | 25 | = | 6966 |
| 6991 | - | 26 | = | 6965 |
| 6991 | - | 27 | = | 6964 |
| 6991 | - | 28 | = | 6963 |
| 6991 | - | 29 | = | 6962 |
| 6991 | - | 30 | = | 6961 |
| 6991 | - | 31 | = | 6960 |
| 6991 | - | 32 | = | 6959 |
| 6991 | - | 33 | = | 6958 |
| 6991 | - | 34 | = | 6957 |
| 6991 | - | 35 | = | 6956 |
| 6991 | - | 36 | = | 6955 |
| 6991 | - | 37 | = | 6954 |
| 6991 | - | 38 | = | 6953 |
| 6991 | - | 39 | = | 6952 |
| 6991 | - | 40 | = | 6951 |
| 6991 | - | 41 | = | 6950 |
| 6991 | - | 42 | = | 6949 |
| 6991 | - | 43 | = | 6948 |
| 6991 | - | 44 | = | 6947 |
| 6991 | - | 45 | = | 6946 |
| 6991 | - | 46 | = | 6945 |
| 6991 | - | 47 | = | 6944 |
| 6991 | - | 48 | = | 6943 |
| 6991 | - | 49 | = | 6942 |
| 6991 | - | 50 | = | 6941 |