by steps
000000 000000
000000
728382 728382
728382
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
678784 678784
678784
007fff 007fff
007fff
00ff00 00ff00
00ff00
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00ff7f
5c8b87 5c8b87
5c8b87
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
518f8a 518f8a
518f8a
7f00ff 7f00ff
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7f7f7f 7f7f7f
7f7f7f
46948d 46948d
46948d
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7fff7f
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7fffff
3b988f 3b988f
3b988f
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ff00ff
309c92 309c92
309c92
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
25a095 25a095
25a095
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1aa598 1aa598
1aa598