by steps
000000 000000
000000
72848a 72848a
72848a
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00007f
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0000ff
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007f7f
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7d8393
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007fff
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00ff7f
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88839c
00ffff 00ffff
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7f007f
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a981b7 a981b7
a981b7
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b481c0
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ff7f00
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ff7f7f
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ff7fff
bf80c9 bf80c9
bf80c9
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
ca80d3 ca80d3
ca80d3