by steps
000000 000000
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534ad6
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6850bb
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007fff
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00ff7f
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7e57a0
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935d85
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d47135
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
e9781a e9781a
e9781a
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff