by steps
000000 000000
000000
0a0c0e 0a0c0e
0a0c0e
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
201618 201618
201618
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
372123 372123
372123
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
4e2c2d 4e2c2d
4e2c2d
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7f00ff
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7f7f7f 7f7f7f
7f7f7f
653738 653738
653738
7f7fff 7f7fff
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7c4142 7c4142
7c4142
ff0000 ff0000
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934c4d 934c4d
934c4d
ff7f00 ff7f00
ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
aa5757 aa5757
aa5757
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c16262 c16262
c16262