marron's favorites
| # | Problem |
|---|---|
| 10147 | OMCB055(C) |
| 17838 | OMCB083(B) |
| 15447 | OMCB081(G) |
| 15377 | OMCB081(D) |
| 10961 | OMC253(D) |
| 12063 | OMC274(E) |
| 8749 | OMC278(B) |
| 3209 | OMCB020(H) |
| 12288 | OMC247(E) |
| 11922 | OMCE016(A) |
| 6751 | OMCE015(B) |
| 3337 | OMC101(E) |
| 3807 | OMC111(C) |
| 3398 | OMCB023(D) |
| 4774 | OMC190(B) |
| 6453 | OMCB016(C) |