| 990991 | - | 1 | = | 990990 |
| 990991 | - | 2 | = | 990989 |
| 990991 | - | 3 | = | 990988 |
| 990991 | - | 4 | = | 990987 |
| 990991 | - | 5 | = | 990986 |
| 990991 | - | 6 | = | 990985 |
| 990991 | - | 7 | = | 990984 |
| 990991 | - | 8 | = | 990983 |
| 990991 | - | 9 | = | 990982 |
| 990991 | - | 10 | = | 990981 |
| 990991 | - | 11 | = | 990980 |
| 990991 | - | 12 | = | 990979 |
| 990991 | - | 13 | = | 990978 |
| 990991 | - | 14 | = | 990977 |
| 990991 | - | 15 | = | 990976 |
| 990991 | - | 16 | = | 990975 |
| 990991 | - | 17 | = | 990974 |
| 990991 | - | 18 | = | 990973 |
| 990991 | - | 19 | = | 990972 |
| 990991 | - | 20 | = | 990971 |
| 990991 | - | 21 | = | 990970 |
| 990991 | - | 22 | = | 990969 |
| 990991 | - | 23 | = | 990968 |
| 990991 | - | 24 | = | 990967 |
| 990991 | - | 25 | = | 990966 |
| 990991 | - | 26 | = | 990965 |
| 990991 | - | 27 | = | 990964 |
| 990991 | - | 28 | = | 990963 |
| 990991 | - | 29 | = | 990962 |
| 990991 | - | 30 | = | 990961 |
| 990991 | - | 31 | = | 990960 |
| 990991 | - | 32 | = | 990959 |
| 990991 | - | 33 | = | 990958 |
| 990991 | - | 34 | = | 990957 |
| 990991 | - | 35 | = | 990956 |
| 990991 | - | 36 | = | 990955 |
| 990991 | - | 37 | = | 990954 |
| 990991 | - | 38 | = | 990953 |
| 990991 | - | 39 | = | 990952 |
| 990991 | - | 40 | = | 990951 |
| 990991 | - | 41 | = | 990950 |
| 990991 | - | 42 | = | 990949 |
| 990991 | - | 43 | = | 990948 |
| 990991 | - | 44 | = | 990947 |
| 990991 | - | 45 | = | 990946 |
| 990991 | - | 46 | = | 990945 |
| 990991 | - | 47 | = | 990944 |
| 990991 | - | 48 | = | 990943 |
| 990991 | - | 49 | = | 990942 |
| 990991 | - | 50 | = | 990941 |