15,23,143
#
in steps
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0e1e8e
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00007f
0000ff 0000ff
0000ff
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0e1c8e
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0e1a8e 0e1a8e
0e1a8e
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0f198f
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0f178f
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ff7fff
101290 101290
101290
ffff00 ffff00
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ffffff ffffff
ffffff
111191 111191
111191