by steps
000000 000000
000000
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007fff
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1d7dee 1d7dee
1d7dee
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3a7bde 3a7bde
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00ffff 00ffff
00ffff
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5779cd 5779cd
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9276ad
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af749c
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ff7f7f
ff7fff ff7fff
ff7fff
cc728c cc728c
cc728c
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ffffff ffffff
ffffff
ea717c ea717c
ea717c