15,25,127
#
in steps
000000 000000
000000
1f3300 1f3300
1f3300
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1b2c1f 1b2c1f
1b2c1f
007fff 007fff
007fff
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00ff7f
17263f 17263f
17263f
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
131f5f 131f5f
131f5f
7f00ff 7f00ff
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7f7f7f 7f7f7f
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7fffff 7fffff
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070cbf 070cbf
070cbf
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ff7fff ff7fff
ff7fff
0306df 0306df
0306df
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff