7,18,66
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
010410 010410
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
030921 030921
030921
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
050d31 050d31
050d31
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7f7f7f 7f7f7f
7f7f7f
071242 071242
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7fff7f 7fff7f
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7fffff 7fffff
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091652 091652
091652
ff0000 ff0000
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ff7f7f ff7f7f
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ff7fff ff7fff
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0d1f73 0d1f73
0d1f73
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
0f2484 0f2484
0f2484