by steps
000000 000000
000000
6b9411 6b9411
6b9411
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
6c921b 6c921b
6c921b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
6e9025 6e9025
6e9025
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
708e2f 708e2f
708e2f
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7f7f7f
728c3a 728c3a
728c3a
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7f7fff
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7fffff
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748a44
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76884e 76884e
76884e
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
788658 788658
788658
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7a8463 7a8463
7a8463