| 21116 | Almost Free Falling |
| 21117 | Number of Colorful Matchings |
| 21118 | 100 Boxes Per Hour... |
| 21119 | Belarusian State University |
| 21120 | Beautiful Sequence Unraveling |
| 21121 | Brave Seekers of Unicorns |
| 21122 | Bank Security Unification |
| 21123 | Brief Statements Union |
| 21124 | Border Similarity Undertaking |
| 21125 | Biological Software Utilities |
| 21126 | Bytelandia States Union |
| 21127 | Binary Supersonic Utahraptors |
| 21128 | Burnished Security Updates |
| 21129 | Bookcase Solidity United |
| 21130 | Business Semiconductor Units |
| 21131 | Brilliant Sequence of Umbrellas |
| 21132 | Best Solution Unknown |
| 21133 | N-Queen 2 |
| 21134 | Ant Typing |
| 21135 | Bad Packing |
