I assume the original position was 61P-62R-53Z-64 (or 61P-62R-53S-64 if you insist on the convenience clause)?
The variant below could arise from 61P-62R-21U-64 although of course XG doesn't like 21U.

              
 
              
 | | White is Player 2
score: 0 pip: 157 | Unlimited Game Jacoby Beaver | pip: 159 score: 0
Blue is Player 1 | |
| XGID=-a--a-E-C---dE--Abbe----A-:0:0:1:64:0:0:3:0:10 |
| Blue to play 64 |
| 1. | XG Roller++ | 16/10 8/4* | eq: -0.176 |
| Player: Opponent: | 46.16% (G:11.35% B:0.43%) 53.84% (G:15.76% B:0.75%) | |
|
| 2. | XG Roller++ | 16/6 | eq: -0.177 (-0.001) |
| Player: Opponent: | 46.11% (G:9.05% B:0.29%) 53.89% (G:13.76% B:0.38%) | |
|
| 3. | XG Roller++ | 24/14 | eq: -0.193 (-0.018) |
| Player: Opponent: | 46.57% (G:7.65% B:0.29%) 53.43% (G:14.40% B:0.47%) | |
|
| 4. | XG Roller++ | 8/2 6/2 | eq: -0.215 (-0.039) |
| Player: Opponent: | 45.08% (G:10.68% B:0.37%) 54.92% (G:15.85% B:0.57%) | |
|
| 5. | XG Roller++ | 24/20 16/10 | eq: -0.239 (-0.063) |
| Player: Opponent: | 44.80% (G:9.03% B:0.36%) 55.20% (G:15.23% B:0.51%) | |
|
eXtreme Gammon Version: 2.19.211.pre-release