21,30,168
#
in steps
000000 000000
000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
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007f00
007f7f 007f7f
007f7f
0507e9 0507e9
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
0a0fd3 0a0fd3
0a0fd3
00ffff 00ffff
00ffff
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7f007f 7f007f
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1016be 1016be
1016be
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7f7f7f
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151ea8
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1a2592 1a2592
1a2592
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253467 253467
253467
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2b3c52 2b3c52
2b3c52