18,7,253
#
in steps
000000 000000
000000
0f08ff 0f08ff
0f08ff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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0f07fe 0f07fe
0f07fe
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
1007fe 1007fe
1007fe
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
1107fd 1107fd
1107fd
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
1207fd 1207fd
1207fd
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1307fc 1307fc
1307fc
ff0000 ff0000
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1407fc 1407fc
1407fc
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
1507fb 1507fb
1507fb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1607fb 1607fb
1607fb