36,72,180
#
in steps
000000 000000
000000
1f3dc0 1f3dc0
1f3dc0
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
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203fbd 203fbd
203fbd
007fff 007fff
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2142ba 2142ba
2142ba
00ffff 00ffff
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7f007f 7f007f
7f007f
2345b7 2345b7
2345b7
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2448b4
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254bb1 254bb1
254bb1
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274eae 274eae
274eae
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ff7fff ff7fff
ff7fff
2851ab 2851ab
2851ab
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2a54a8 2a54a8
2a54a8