A rearrangement of pixels

Sort colors with some magic, then select a point in the middle, fill it, select a random point with abs(dx)+abs(dy)<50, fill that, repeat, if stuck for 1000 iterations select a random unfilled point. Given my non-existent optimisation skills took about 2 hours.

noone

4 entries

Date: March 25, 2018
Colors: 16,777,216
Pixels: 16,777,216
Dimensions: 4,096 × 4,096
Bytes: 46,890,576