15,2,121
#
in steps
000000 000000
000000
03007d 03007d
03007d
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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06007c
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
09017b 09017b
09017b
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0c017a 0c017a
0c017a
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0f0279 0f0279
0f0279
7f7fff 7f7fff
7f7fff
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7fffff 7fffff
7fffff
120278 120278
120278
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150377 150377
150377
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ff7f7f
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ff7fff
180376 180376
180376
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1b0476 1b0476
1b0476