by steps
000000 000000
000000
71831e 71831e
71831e
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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718822
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728e27 728e27
728e27
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
72942b 72942b
72942b
7f00ff 7f00ff
7f00ff
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7f7f00
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7f7f7f
739a30 739a30
739a30
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7f7fff
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7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
749f34 749f34
749f34
ff0000 ff0000
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ff00ff
74a539 74a539
74a539
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
75ab3d 75ab3d
75ab3d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
76b142 76b142
76b142