by steps
000000 000000
000000
8aa83a 8aa83a
8aa83a
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8fae33 8fae33
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00ffff 00ffff
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91b12f 91b12f
91b12f
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94b42c 94b42c
94b42c
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96b728 96b728
96b728
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99ba25
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ff7f7f
ff7fff ff7fff
ff7fff
9bbd21 9bbd21
9bbd21
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
9ec01e 9ec01e
9ec01e