67,80,120
#
in steps
000000 000000
000000
007f7f 007f7f
007f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
10737d 10737d
10737d
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00ff00
00ff7f 00ff7f
00ff7f
21677b 21677b
21677b
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
325b7a 325b7a
325b7a
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7f7f7f 7f7f7f
7f7f7f
435078 435078
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7f7fff 7f7fff
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544476 544476
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762c73 762c73
762c73
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
872172 872172
872172