13,18,125
#
in steps
000000 000000
000000
10177d 10177d
10177d
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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0f157d
007fff 007fff
007fff
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00ff7f 00ff7f
00ff7f
0e147d 0e147d
0e147d
00ffff 00ffff
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0d137d
7f00ff 7f00ff
7f00ff
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0d127d
7f7fff 7f7fff
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7fff7f 7fff7f
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7fffff 7fffff
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0c117d 0c117d
0c117d
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0b107d 0b107d
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ff7f00 ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
0a0f7d 0a0f7d
0a0f7d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0a0e7d 0a0e7d
0a0e7d