by steps
000000 000000
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a98257 a98257
a98257
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a2825e
00ffff 00ffff
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7fffff
978269 978269
978269
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94826d 94826d
94826d
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ff7f7f
ff7fff ff7fff
ff7fff
908271 908271
908271
ffff00 ffff00
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ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
8d8375 8d8375
8d8375