by steps
000000 000000
000000
6f862f 6f862f
6f862f
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0000ff
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71882d 71882d
71882d
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72892c 72892c
72892c
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758d2a
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ff7fff
768e29 768e29
768e29
ffff00 ffff00
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ffffff ffffff
ffffff
779029 779029
779029