15,80,68
#
in steps
000000 000000
000000
1f5c3f 1f5c3f
1f5c3f
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00007f
0000ff 0000ff
0000ff
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1b5940 1b5940
1b5940
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00ff7f
175641 175641
175641
00ffff 00ffff
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7f007f 7f007f
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135342 135342
135342
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7fffff 7fffff
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0b4d45
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034747 034747
034747
ffff00 ffff00
ffff00
ffff7f ffff7f
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ffffff ffffff
ffffff
004549 004549
004549