I hit OtB and was dinged for it. I guess the 456 structure is very strong and we should be aiming for a priming game.
  White is Player 2
score: 0 pip: 155  Unlimited Game Jacoby Beaver  pip: 156 score: 0
Blue is Player 1   XGID=bBCCBeCacbAbA:0:0:1:31:0:0:3:0:10  Blue to play 31   1.  Rollout^{1}  8/5 6/5  eq: +0.366   Player: Opponent:  59.16% (G:19.99% B:1.47%) 40.84% (G:13.77% B:0.68%)  Conf.: ± 0.016 (+0.350...+0.382)  [100.0%] Duration: 12 minutes 41 seconds 
 2.  Rollout^{1}  21/17*  eq: +0.324 (0.042)   Player: Opponent:  58.32% (G:16.58% B:1.10%) 41.68% (G:12.23% B:0.51%)  Conf.: ± 0.016 (+0.307...+0.340)  [0.0%] Duration: 16 minutes 25 seconds 
 3.  Rollout^{2}  24/21 11/10  eq: +0.301 (0.065)   Player: Opponent:  56.74% (G:15.83% B:0.63%) 43.26% (G:9.53% B:0.39%)  Conf.: ± 0.015 (+0.286...+0.316)  [0.0%] Duration: 15 minutes 07 seconds 
  ^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 38129011 Moves: 3ply, cube decisions: XG Roller
^{2} 1296 Games rolled with Variance Reduction. Dice Seed: 21271571 Moves: 3ply, cube decisions: XG Roller


eXtreme Gammon Version: 2.10
I hope the following variants explain what is going on in the OP.
  White is Player 2
score: 0 pip: 155  Unlimited Game Jacoby Beaver  pip: 154 score: 0
Blue is Player 1   XGID=bBCCBeCacbAbA:0:0:1:31:0:0:3:0:10  Blue to play 31   1.  Rollout^{1}  21/17*  eq: +0.221   Player: Opponent:  55.55% (G:16.33% B:1.09%) 44.45% (G:13.64% B:0.55%)  Conf.: ± 0.018 (+0.203...+0.239)  [99.9%] Duration: 16 minutes 17 seconds 
 2.  Rollout^{1}  24/21 11/10  eq: +0.183 (0.038)   Player: Opponent:  53.97% (G:16.22% B:0.64%) 46.03% (G:10.80% B:0.45%)  Conf.: ± 0.015 (+0.168...+0.199)  [0.1%] Duration: 14 minutes 31 seconds 
 3.  Rollout^{1}  8/5 6/5  eq: +0.158 (0.064)   Player: Opponent:  53.91% (G:18.37% B:1.23%) 46.09% (G:15.52% B:0.77%)  Conf.: ± 0.017 (+0.141...+0.175)  [0.0%] Duration: 13 minutes 16 seconds 
  ^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 47278054 Moves: 3ply, cube decisions: XG Roller


eXtreme Gammon Version: 2.10
  White is Player 2
score: 0 pip: 155  Unlimited Game Jacoby Beaver  pip: 152 score: 0
Blue is Player 1   XGID=bBCCBeCacbAbA:0:0:1:31:0:0:3:0:10  Blue to play 31   1.  Rollout^{1}  21/17*  eq: +0.133   Player: Opponent:  53.17% (G:15.78% B:1.15%) 46.83% (G:14.61% B:0.64%)  Conf.: ± 0.015 (+0.118...+0.148)  [100.0%] Duration: 16 minutes 17 seconds 
 2.  Rollout^{1}  24/21 11/10  eq: +0.077 (0.056)   Player: Opponent:  50.91% (G:14.72% B:0.55%) 49.09% (G:11.10% B:0.49%)  Conf.: ± 0.013 (+0.064...+0.091)  [0.0%] Duration: 14 minutes 31 seconds 
 3.  Rollout^{1}  8/5 6/5  eq: +0.053 (0.080)   Player: Opponent:  50.73% (G:18.00% B:1.30%) 49.27% (G:16.78% B:0.87%)  Conf.: ± 0.016 (+0.037...+0.069)  [0.0%] Duration: 12 minutes 49 seconds 
  ^{1} 1296 Games rolled with Variance Reduction. Dice Seed: 47278054 Moves: 3ply, cube decisions: XG Roller


eXtreme Gammon Version: 2.10