Packing problems

871 unit squares in a square

Unit squares; smaller container side is better.

871 unit squares in a square

This arrangement

29.981594

Container side · 8 significant figures

0.0174% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.

Comparison recorded 19 October 2026
ArrangementContainer side
This arrangement29.981594
Francisco Couzo’s catalogue29.986798

Difference: 0.0052043178 smaller side.

Compared with the exact certificate linked below.