by steps
000000 000000
000000
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a48f95
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0000ff
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007f7f
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a28d94
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a08c94
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9f8a94
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9b8894
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9a8694
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ff7f7f
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ff7fff
988594 988594
988594
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
978494 978494
978494