Packing problems
649 unit squares in a square
Unit squares; smaller container side is better.
This arrangement
25.974939
Container side · 8 significant figures
0.00783% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.
| Arrangement | Container side |
|---|---|
| This arrangement | 25.974939 |
| Francisco Couzo’s catalogue | 25.976974 |
Difference: 0.0020349215 smaller side.
Compared with the exact certificate linked below.