by steps
000000 000000
000000
7f7fff 7f7fff
7f7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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7885f8
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728bf2 728bf2
728bf2
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
6c91eb 6c91eb
6c91eb
7f00ff 7f00ff
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7f7f00 7f7f00
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7f7f7f
6698e5 6698e5
6698e5
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7fff7f
7fffff 7fffff
7fffff
5f9edf 5f9edf
5f9edf
ff0000 ff0000
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59a4d8 59a4d8
59a4d8
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
53aad2 53aad2
53aad2
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
4db1cc 4db1cc
4db1cc