21,0,177
#
in steps
000000 000000
000000
2a00e4 2a00e4
2a00e4
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
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2400d7 2400d7
2400d7
007fff 007fff
007fff
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1f00ca 1f00ca
1f00ca
00ffff 00ffff
00ffff
7f0000 7f0000
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1a00be 1a00be
1a00be
7f00ff 7f00ff
7f00ff
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7f7f7f 7f7f7f
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1500b1 1500b1
1500b1
7f7fff 7f7fff
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0f00a4 0f00a4
0f00a4
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0a0098 0a0098
0a0098
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ff7f7f
ff7fff ff7fff
ff7fff
05008b 05008b
05008b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff