by steps
000000 000000
000000
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7f00ff
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
8211ef 8211ef
8211ef
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8522e0 8522e0
8522e0
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
8834d1 8834d1
8834d1
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7f7f00
7f7f7f 7f7f7f
7f7f7f
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8b45c2
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7fffff
8e56b3 8e56b3
8e56b3
ff0000 ff0000
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9168a4 9168a4
9168a4
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
947995 947995
947995
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
978b86 978b86
978b86