by steps
000000 000000
000000
a728c3 a728c3
a728c3
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a728c4
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a829c5
00ffff 00ffff
00ffff
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a92bc7
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aa2bc8
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aa2cc9
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ff7fff
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ab2dca
ffff00 ffff00
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ffffff ffffff
ffffff
ac2ecc ac2ecc
ac2ecc