Movable-core continuation A=P+25*{0,1,5,6} to N=16850. A first pass reached 24 blocks and had no 1-to-2 fixed-core exchange. After vectorizing the blocker test, a large whole-block shake (13 blocks replaced) found a full 25-block code in six trials, giving 100 points.
Yongxi (Aaron) Lin · 2026-08-08 19:18:55 UTC