by steps
000000 000000
000000
6401fe 6401fe
6401fe
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
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007f7f 007f7f
007f7f
6614fe 6614fe
6614fe
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007fff
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00ff7f
6828fe 6828fe
6828fe
00ffff 00ffff
00ffff
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7f007f
6a3cfe 6a3cfe
6a3cfe
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6e63fe 6e63fe
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7077fe 7077fe
7077fe
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ff7f7f ff7f7f
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ff7fff ff7fff
ff7fff
728bfe 728bfe
728bfe
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
749ffe 749ffe
749ffe