21,43,81
#
in steps
000000 000000
000000
172f4e 172f4e
172f4e
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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162e4e 162e4e
162e4e
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
162d4f 162d4f
162d4f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
152c50 152c50
152c50
7f00ff 7f00ff
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7f7f7f 7f7f7f
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152b51 152b51
152b51
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
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7fffff 7fffff
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142a52 142a52
142a52
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142953 142953
142953
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
132854 132854
132854
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
132855 132855
132855