Packing problems
381 unit squares in a square
Unit squares; smaller container side is better.
This arrangement
19.974740
Container side · 8 significant figures
3.00e-06% smaller container side than the value listed in Francisco Couzo’s catalogue on 19 October 2026.
| Arrangement | Container side |
|---|---|
| This arrangement | 19.974740 |
| Francisco Couzo’s catalogue | 19.974740 |
Difference: 5.9894690e-07 smaller side.
Compared with the exact certificate linked below.