20,0,109
#
in steps
000000 000000
000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
05007a 05007a
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00ff00
00ff7f 00ff7f
00ff7f
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0a0076
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7f007f 7f007f
7f007f
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0f0071
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7f7f00
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7fffff 7fffff
7fffff
190068 190068
190068
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1e0064 1e0064
1e0064
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ff7fff ff7fff
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23005f 23005f
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ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
29005b 29005b
29005b