73,63,3
#
in steps
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000000
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7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
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645f01 645f01
645f01
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7f7f7f 7f7f7f
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200f06 200f06
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ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
130007 130007
130007