| # | Problem Code | Users Solved |
|---|---|---|
| 2340 | ACSL JUNIOR Contest 2005-2006 S#4 | x2 |
| 2347 | ACSL JUNIOR Contest 2002-2003 FS# | x2 |
| 2348 | ACSL JUNIOR Contest 2008-2009 S#3 | x2 |
| 2391 | ACSL Intermediate Division 2013-2014 Finals #5 Royal Ur | x2 |
| 2442 | ACSL SENIOR Contest 2014-2015 P#2 | x2 |
| 2448 | ACSL SENIOR Contest 2013-2014 P#4 | x2 |
| 2449 | ACSL SENIOR Contest 2012-2013 P#1 | x2 |
| 2523 | ACSL SENIOR Contest 2012-2013 S#3 | x2 |
| 2524 | ACSL SENIOR Contest 2012-2013 S#4 | x2 |
| 2527 | ACSL SENIOR Contest 2013-2014 S#3 | x2 |
| 2541 | ACSL Senior Division 2011-2012 Finals #6 Jigsaw | x2 |