by steps
000000 000000
000000
f6389b f6389b
f6389b
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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f6359f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
f632a3 f632a3
f632a3
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
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f630a7
7f00ff 7f00ff
7f00ff
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7f7f7f
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f72dac
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
f72ab0 f72ab0
f72ab0
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f728b4 f728b4
f728b4
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
f725b8 f725b8
f725b8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
f823bd f823bd
f823bd