15,18,119
#
in steps
000000 000000
000000
111576 111576
111576
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
101476 101476
101476
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
101376 101376
101376
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0f1376 0f1376
0f1376
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
0f1277 0f1277
0f1277
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
0e1177 0e1177
0e1177
ff0000 ff0000
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
0d1077 0d1077
0d1077
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0d1078 0d1078
0d1078