by steps
000000 000000
000000
728509 728509
728509
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
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788414
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007fff
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00ff7f
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7f8420
00ffff 00ffff
00ffff
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7f0000
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7f007f
85832b 85832b
85832b
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8c8337
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7fffff
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928342
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99824e 99824e
99824e
ff7f00 ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
9f8259 9f8259
9f8259
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a68265 a68265
a68265