by steps
000000 000000
000000
978b51 978b51
978b51
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00007f
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0000ff
007f00 007f00
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007f7f
978c4e 978c4e
978c4e
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007fff
00ff00 00ff00
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00ff7f
978e4c 978e4c
978e4c
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98904a 98904a
98904a
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989248
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989445 989445
989445
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999643
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ff7f00
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ff7f7f
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ff7fff
999841 999841
999841
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ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9a9a3f 9a9a3f
9a9a3f