6,81,120
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
01147d 01147d
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
03287b 03287b
03287b
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
043c79 043c79
043c79
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7f7f7f
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7fff7f 7fff7f
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7fffff 7fffff
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086576 086576
086576
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ff7f7f ff7f7f
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ff7fff ff7fff
ff7fff
0b8d72 0b8d72
0b8d72
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0da271 0da271
0da271