15,37,21
#
in steps
000000 000000
000000
001717 001717
001717
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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031a16
007fff 007fff
007fff
00ff00 00ff00
00ff00
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00ff7f
071e16 071e16
071e16
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0b2115 0b2115
0b2115
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7f00ff
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7f7f00
7f7f7f 7f7f7f
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0f2515
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7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
132915 132915
132915
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172c14 172c14
172c14
ff7f00 ff7f00
ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
1b3014 1b3014
1b3014
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1f3414 1f3414
1f3414