28,204,126
#
in steps
000000 000000
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00ff00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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0ee53f 0ee53f
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00ffff 00ffff
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15d85e 15d85e
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23bf9e 23bf9e
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31a5dd 31a5dd
31a5dd
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
3999fd 3999fd
3999fd