by steps
000000 000000
000000
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7fff7f
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0000ff
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88ea80
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007fff
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00ff7f
91d682 91d682
91d682
00ffff 00ffff
00ffff
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9ac284 9ac284
9ac284
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a3ae86 a3ae86
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ac9a88
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be728c be728c
be728c
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ffffff ffffff
ffffff
c75e8e c75e8e
c75e8e