by steps
000000 000000
000000
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898615
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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8c881c
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007fff
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00ff7f
908a23 908a23
908a23
00ffff 00ffff
00ffff
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7f007f
938c2a 938c2a
938c2a
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978f31 978f31
978f31
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9a9138 9a9138
9a9138
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9e933f
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
a19546 a19546
a19546
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ffff00
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ffff7f
ffffff ffffff
ffffff
a5984e a5984e
a5984e