by steps
000000 000000
000000
728c6a 728c6a
728c6a
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
718c69 718c69
718c69
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
708d68 708d68
708d68
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
708d67 708d67
708d67
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
6f8e66 6f8e66
6f8e66
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7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
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7fffff
6e8f65 6e8f65
6e8f65
ff0000 ff0000
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ff007f
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ff00ff
6e8f64 6e8f64
6e8f64
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6d9063 6d9063
6d9063
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6d9162 6d9162
6d9162