by steps
000000 000000
000000
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00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
181c05 181c05
181c05
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
31390a 31390a
31390a
00ffff 00ffff
00ffff
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7f007f
4a560f 4a560f
4a560f
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7f7f00
7f7f7f 7f7f7f
7f7f7f
637314 637314
637314
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7fffff 7fffff
7fffff
7c9019 7c9019
7c9019
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95ad1e 95ad1e
95ad1e
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
aeca23 aeca23
aeca23
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c7e728 c7e728
c7e728