15,80,121
#
in steps
000000 000000
000000
1fa174 1fa174
1fa174
00007f 00007f
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0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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1b8c75
007fff 007fff
007fff
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177876 177876
177876
00ffff 00ffff
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7f007f
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0b3c7a 0b3c7a
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03147d 03147d
03147d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff