243,127,2
#
in steps
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000000
ef7f02 ef7f02
ef7f02
00007f 00007f
00007f
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0000ff
007f00 007f00
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00ffff 00ffff
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f67f02 f67f02
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ffff00 ffff00
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ffffff ffffff
ffffff
f77f02 f77f02
f77f02