Commentary history

1 edit.

Yongxi (Aaron) Lin · 2026-08-09 12:28:33 UTC

Tail-biased construction: every element lies above N/3. Started from the densest 2N/3 cyclic-arc slice of the previous record, translated it into (N/3,N), greedily regrew inside that upper arc, then used local 1->2 and 2->3 exchanges.