21,21,187
#
in steps
000000 000000
000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
007f00 007f00
007f00
007f7f 007f7f
007f7f
0505ee 0505ee
0505ee
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
0a0add 0a0add
0a0add
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
0f0fcc 0f0fcc
0f0fcc
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
1515bb 1515bb
1515bb
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1a1aaa 1a1aaa
1a1aaa
ff0000 ff0000
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1f1f99 1f1f99
1f1f99
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
242488 242488
242488
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2a2a78 2a2a78
2a2a78