Packing problems

377 unit squares in a square

Unit squares; smaller container side is better.

377 unit squares in a square

This arrangement

19.925472

Container side · 8 significant figures

0.00125% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement19.925472
Francisco Couzo’s catalogue19.925721

Difference: 0.00024916036 smaller side.

Compared with the exact certificate linked below.