4,17,51
#
in steps
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000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
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00ff00
00ff7f 00ff7f
00ff7f
020819 020819
020819
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030d26
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7f7f7f 7f7f7f
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041133 041133
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7fffff 7fffff
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051540 051540
051540
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071e5a 071e5a
071e5a
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
082367 082367
082367