21,19,10
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
050402 050402
050402
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
0a0905 0a0905
0a0905
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
100e07 100e07
100e07
7f00ff 7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
15130a 15130a
15130a
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
1a180d 1a180d
1a180d
ff0000 ff0000
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ff007f ff007f
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201d0f 201d0f
201d0f
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
252212 252212
252212
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2b2715 2b2715
2b2715