15,4,186
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
03018d 03018d
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
07029c 07029c
07029c
00ffff 00ffff
00ffff
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7f007f
0b03ab 0b03ab
0b03ab
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7f7f00
7f7f7f 7f7f7f
7f7f7f
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0f04ba
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1305c9 1305c9
1305c9
ff0000 ff0000
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1706d8 1706d8
1706d8
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
1b07e7 1b07e7
1b07e7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1f09f6 1f09f6
1f09f6