39,18,12
#
in steps
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000000
210f0a 210f0a
210f0a
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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220f0a
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24100b 24100b
24100b
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28120c 28120c
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2b140d 2b140d
2b140d
ffff00 ffff00
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ffff7f ffff7f
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ffffff ffffff
ffffff
2d150e 2d150e
2d150e