15,23,172
#
in steps
000000 000000
000000
1f15a1 1f15a1
1f15a1
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
1b15a3 1b15a3
1b15a3
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
1716a6 1716a6
1716a6
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
1316a9 1316a9
1316a9
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
0f17ac 0f17ac
0f17ac
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
0b17af 0b17af
0b17af
ff0000 ff0000
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ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
0718b2 0718b2
0718b2
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
0318b5 0318b5
0318b5
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0019b8 0019b8
0019b8