| ACMproblem110801861 | little bishops |
| ACMproblem11080210181 | 15-puzzle problem |
| ACMproblem11010128 | queues |
| ACMproblem11080410160 | servicing stations |
| ACMproblem11080510032 | tug of war |
| ACMproblem11080610001 | garden of eden |
| ACMproblem110807704 | color hash |
| ACMproblem11080810270 | bigger square please ... |