by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f7f 007f7f
007f7f
1c8102 1c8102
1c8102
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
398405 398405
398405
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
558608 558608
558608
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
72890b 72890b
72890b
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7fff7f
7fffff 7fffff
7fffff
8f8c0e 8f8c0e
8f8c0e
ff0000 ff0000
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ff007f
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ab8e11
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c89114 c89114
c89114
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
e59417 e59417
e59417