3,17,121
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
00047d 00047d
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00ff00
00ff7f 00ff7f
00ff7f
01087c 01087c
01087c
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
020d7a 020d7a
020d7a
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7f7f00
7f7f7f 7f7f7f
7f7f7f
031179 031179
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7f7fff 7f7fff
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7fff7f
7fffff 7fffff
7fffff
041577 041577
041577
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051a76
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ff7f7f ff7f7f
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ff7fff ff7fff
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061e74 061e74
061e74
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
072373 072373
072373