by steps
000000 000000
000000
7e8d4e 7e8d4e
7e8d4e
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7a8d50 7a8d50
7a8d50
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
768d52 768d52
768d52
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
728e54 728e54
728e54
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
6f8e57 6f8e57
6f8e57
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
6b8e59 6b8e59
6b8e59
ff0000 ff0000
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ff007f ff007f
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ff00ff ff00ff
ff00ff
678f5b 678f5b
678f5b
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
638f5d 638f5d
638f5d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
609060 609060
609060