by steps
000000 000000
000000
680ed9 680ed9
680ed9
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00007f
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0000ff
007f00 007f00
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007f7f
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691ec9
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007fff
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00ff7f
6b2fba 6b2fba
6b2fba
00ffff 00ffff
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71737c
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ff7f00
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ff7f7f
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ff7fff
72846d 72846d
72846d
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
74955e 74955e
74955e