Packing problems
339 unit squares in a square
Unit squares; smaller container side is better.
This arrangement
18.907351
Container side · 8 significant figures
0.0209% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.
| Arrangement | Container side |
|---|---|
| This arrangement | 18.907351 |
| Francisco Couzo’s catalogue | 18.911308 |
Difference: 0.0039561209 smaller side.
Compared with the exact certificate linked below.