by steps
000000 000000
000000
660393 660393
660393
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
692290 692290
692290
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
6c428e 6c428e
6c428e
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
6f618b 6f618b
6f618b
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7f7f00
7f7f7f 7f7f7f
7f7f7f
728189 728189
728189
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7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
75a086 75a086
75a086
ff0000 ff0000
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ff007f
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78c084 78c084
78c084
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7bdf81 7bdf81
7bdf81
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff