by steps
000000 000000
000000
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00007f
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0000ff
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007f7f 007f7f
007f7f
141805 141805
141805
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
29310a 29310a
29310a
00ffff 00ffff
00ffff
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7f007f
3e4a0f 3e4a0f
3e4a0f
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7f7f7f
536314 536314
536314
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677c19 677c19
677c19
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7c951e
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ff7fff ff7fff
ff7fff
91ae23 91ae23
91ae23
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a6c728 a6c728
a6c728