by steps
000000 000000
000000
815b7a 815b7a
815b7a
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
7e5d7c 7e5d7c
7e5d7c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
7c607e 7c607e
7c607e
00ffff 00ffff
00ffff
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7a6381
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786683
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756985 756985
756985
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736c88 736c88
736c88
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
716f8a 716f8a
716f8a
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6f728d 6f728d
6f728d