12,0,63
#
in steps
000000 000000
000000
0f0041 0f0041
0f0041
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
0e0040 0e0040
0e0040
007fff 007fff
007fff
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00ff00
00ff7f 00ff7f
00ff7f
0d0040 0d0040
0d0040
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
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7f007f
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0c003f
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
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7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f
7fffff 7fffff
7fffff
0b003f 0b003f
0b003f
ff0000 ff0000
ff0000
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
09003e 09003e
09003e
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff