by steps
000000 000000
000000
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961714
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00007f
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981913
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007fff
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00ff7f
9b1c13 9b1c13
9b1c13
00ffff 00ffff
00ffff
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9d1e12
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7f7f7f
a02112 a02112
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ff7fff ff7fff
ff7fff
a72810 a72810
a72810
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ffffff ffffff
ffffff
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aa2b10