by steps
000000 000000
000000
f53e91 f53e91
f53e91
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f53a96 f53a96
f53a96
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
f5379b f5379b
f5379b
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
f634a0 f634a0
f634a0
7f00ff 7f00ff
7f00ff
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7f7f7f
f631a5 f631a5
f631a5
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
f62eaa f62eaa
f62eaa
ff0000 ff0000
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ff007f
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ff00ff
f72baf f72baf
f72baf
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
f728b4 f728b4
f728b4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
f825ba f825ba
f825ba