2,66,247
#
in steps
000000 000000
000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
007f00 007f00
007f00
007f7f 007f7f
007f7f
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00ff7f 00ff7f
00ff7f
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0121fb
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7f007f
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0131f9
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7f7f7f
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7f7fff 7f7fff
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7fffff 7fffff
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0252f5 0252f5
0252f5
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0363f3
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ff7fff ff7fff
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0373f1 0373f1
0373f1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0484f0 0484f0
0484f0