Packing problems

328 unit squares in a square

Unit squares; smaller container side is better.

328 unit squares in a square

This arrangement

18.614377

Container side · 8 significant figures

0.106% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement18.614377
Francisco Couzo’s catalogue18.634146

Difference: 0.019769449 smaller side.

Compared with the exact certificate linked below.