137,15,7
#
in steps
000000 000000
000000
ff0000 ff0000
ff0000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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00ff00 00ff00
00ff00
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00ff7f
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c40703
00ffff 00ffff
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7f007f
a60b05 a60b05
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7f7f7f
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890f07
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7fff7f 7fff7f
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6b1308 6b1308
6b1308
ff007f ff007f
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4e170a 4e170a
4e170a
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ff7fff ff7fff
ff7fff
301b0c 301b0c
301b0c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
131f0e 131f0e
131f0e