Packing problems

650 unit squares in a square

Unit squares; smaller container side is better.

650 unit squares in a square

This arrangement

25.974939

Container side · 8 significant figures

0.0282% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement25.974939
Francisco Couzo’s catalogue25.982275

Difference: 0.0073362823 smaller side.

Compared with the exact certificate linked below.