Packing problems
651 unit squares in a square
Unit squares; smaller container side is better.
This arrangement
25.982879
Container side · 8 significant figures
0.00351% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.
| Arrangement | Container side |
|---|---|
| This arrangement | 25.982879 |
| Francisco Couzo’s catalogue | 25.983790 |
Difference: 0.00091128205 smaller side.
Compared with the exact certificate linked below.