by steps
000000 000000
000000
57a92a 57a92a
57a92a
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
649b30 649b30
649b30
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007fff
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728d37 728d37
728d37
00ffff 00ffff
00ffff
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7f007f
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7f7f3e
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7f7f7f
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8d7245
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9b644c 9b644c
9b644c
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a85653 a85653
a85653
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
b6485a b6485a
b6485a
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
c43b61 c43b61
c43b61