by steps
000000 000000
000000
c1a58a c1a58a
c1a58a
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
b8a098 b8a098
b8a098
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
b09ba7 b09ba7
b09ba7
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
a896b5 a896b5
a896b5
7f00ff 7f00ff
7f00ff
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7f7f7f
a092c4 a092c4
a092c4
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
978dd3 978dd3
978dd3
ff0000 ff0000
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ff00ff ff00ff
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8f88e1 8f88e1
8f88e1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8783f0 8783f0
8783f0
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff