by steps
000000 000000
000000
728ea2 728ea2
728ea2
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00007f
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0000ff
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007f00
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007f7f
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718ea0
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007fff
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00ff7f
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718e9e
00ffff 00ffff
00ffff
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718f9c
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718f9a
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708f98
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709096
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ff7f7f
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ff7fff
709094 709094
709094
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
709192 709192
709192