Packing problems

459 unit squares in a square

Unit squares; smaller container side is better.

459 unit squares in a square

This arrangement

21.937228

Container side · 8 significant figures

0.0234% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement21.937228
Francisco Couzo’s catalogue21.942365

Difference: 0.0051373855 smaller side.

Compared with the exact certificate linked below.