15,3,243
#
in steps
000000 000000
000000
1905ec 1905ec
1905ec
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1604ed 1604ed
1604ed
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007fff
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00ff7f
1404ef 1404ef
1404ef
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
1103f1 1103f1
1103f1
7f00ff 7f00ff
7f00ff
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7f7f7f 7f7f7f
7f7f7f
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0f03f3
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
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7fffff 7fffff
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0d02f4 0d02f4
0d02f4
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0a02f6
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ff7f7f
ff7fff ff7fff
ff7fff
0801f8 0801f8
0801f8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0601fa 0601fa
0601fa