by steps
000000 000000
000000
ffc728 ffc728
ffc728
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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ffca26
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007fff
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00ff7f
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ffce25
00ffff 00ffff
00ffff
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7f007f
ffd123 ffd123
ffd123
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7f7f7f
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ffd522
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7fffff
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ffd920
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ffdc1f
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ff7f7f
ff7fff ff7fff
ff7fff
ffe01d ffe01d
ffe01d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
ffe41c ffe41c
ffe41c