by steps
000000 000000
000000
18f861 18f861
18f861
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
24e874 24e874
24e874
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
31d988 31d988
31d988
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
3eca9c 3eca9c
3eca9c
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4bbbb0 4bbbb0
4bbbb0
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7fff7f 7fff7f
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58acc3 58acc3
58acc3
ff0000 ff0000
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659dd7 659dd7
659dd7
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
728eeb 728eeb
728eeb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff