17,4,251
#
in steps
000000 000000
000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
007f00 007f00
007f00
007f7f 007f7f
007f7f
0401fe 0401fe
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
0802fd 0802fd
0802fd
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0c03fc 0c03fc
0c03fc
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7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
1104fb 1104fb
1104fb
7f7fff 7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1505fa 1505fa
1505fa
ff0000 ff0000
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ff007f ff007f
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1906f9 1906f9
1906f9
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
1d07f8 1d07f8
1d07f8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2209f8 2209f8
2209f8