Continuation of the movable-core construction A=P+25*{0,1,5,6} from N=16925 to N=16900. Randomized inherited-block selection/refill first reached 24 blocks. Exhaustive one-block deletion found a 1-to-2 exchange: delete anchor 3668 and insert anchors 3693 and 11134, restoring all 25 blocks and 100 points.
Yongxi (Aaron) Lin · 2026-08-08 19:12:15 UTC