18,3,127
#
in steps
000000 000000
000000
1d0680 1d0680
1d0680
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1a057f 1a057f
1a057f
007fff 007fff
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00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
17047f 17047f
17047f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
14047f 14047f
14047f
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12037f 12037f
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7f7fff 7f7fff
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7fffff 7fffff
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0f027f 0f027f
0f027f
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0c027f 0c027f
0c027f
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ff7f7f ff7f7f
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ff7fff ff7fff
ff7fff
09017f 09017f
09017f
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
07017f 07017f
07017f