42,4,73
#
in steps
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000000
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00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
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00ff00
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150224
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1f0337
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34055b 34055b
34055b
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490780 490780
490780
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
540993 540993
540993