by steps
000000 000000
000000
72847b 72847b
72847b
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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6a837b
007fff 007fff
007fff
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00ff00
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00ff7f
63837b 63837b
63837b
00ffff 00ffff
00ffff
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7f007f
5c827b 5c827b
5c827b
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7f7f7f
55827c 55827c
55827c
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7fff7f
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7fffff
4e827c 4e827c
4e827c
ff0000 ff0000
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ff007f
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ff00ff
47817c 47817c
47817c
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
40817c 40817c
40817c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
39817d 39817d
39817d