by steps
000000 000000
000000
6619e5 6619e5
6619e5
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
6925d8 6925d8
6925d8
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
6c32cb 6c32cb
6c32cb
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
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6f3fbe 6f3fbe
6f3fbe
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724cb2
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7558a5 7558a5
7558a5
ff0000 ff0000
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786598 786598
786598
ff7f00 ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
7b728b 7b728b
7b728b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff