21,39,13
#
in steps
000000 000000
000000
13230c 13230c
13230c
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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13240c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
14250c 14250c
14250c
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
14260d 14260d
14260d
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7f7f7f 7f7f7f
7f7f7f
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15270d
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7fff7f 7fff7f
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7fffff 7fffff
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15280d 15280d
15280d
ff0000 ff0000
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16290e 16290e
16290e
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ff7fff ff7fff
ff7fff
162a0e 162a0e
162a0e
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
172b0f 172b0f
172b0f