0,29,21
#
in steps
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000000
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001c1a
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
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001c18
007fff 007fff
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001c17
00ffff 00ffff
00ffff
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7fffff 7fffff
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ff7fff ff7fff
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001e11 001e11
001e11
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
001f10 001f10
001f10