Packing problems

503 unit squares in a square

Unit squares; smaller container side is better.

503 unit squares in a square

This arrangement

22.944668

Container side · 8 significant figures

0.0562% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement22.944668
Francisco Couzo’s catalogue22.957559

Difference: 0.012890942 smaller side.

Compared with the exact certificate linked below.