15,19,203
#
in steps
000000 000000
000000
1e2798 1e2798
1e2798
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1a22a4 1a22a4
1a22a4
007fff 007fff
007fff
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00ff7f
161db1 161db1
161db1
00ffff 00ffff
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7f0000 7f0000
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7f007f 7f007f
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1218be 1218be
1218be
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ff7fff ff7fff
ff7fff
0304f2 0304f2
0304f2
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff