by steps
000000 000000
000000
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ff00ff
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
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007fff
00ff00 00ff00
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d628e7 d628e7
d628e7
00ffff 00ffff
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9a65c3 9a65c3
9a65c3
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8679b7 8679b7
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ff7f00 ff7f00
ff7f00
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ff7fff ff7fff
ff7fff
728dab 728dab
728dab
ffff00 ffff00
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ffffff ffffff
ffffff
5ea2a0 5ea2a0
5ea2a0