size,colors,gray_stddev,status
16,194,0.109923,ok
20,260,0.101566,ok
24,358,0.0940771,ok
29,475,0.103601,ok
32,541,0.0941397,ok
40,763,0.129173,ok
48,963,0.133595,ok
64,1399,0.149997,ok
80,1804,0.163688,ok
128,2922,0.180054,ok
256,5348,0.19461,ok