18,21,231
#
in steps
000000 000000
000000
1e22da 1e22da
1e22da
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
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1b1edd 1b1edd
1b1edd
007fff 007fff
007fff
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00ff7f
181be0 181be0
181be0
00ffff 00ffff
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1518e4 1518e4
1518e4
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7f7f7f
1215e7 1215e7
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0f11ea 0f11ea
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0c0eee 0c0eee
0c0eee
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ff7fff ff7fff
ff7fff
090bf1 090bf1
090bf1
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
0708f5 0708f5
0708f5