by steps
000000 000000
000000
72811f 72811f
72811f
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00007f
0000ff 0000ff
0000ff
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007f00
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007f7f
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66833a
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007fff
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00ff7f
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5b8556
00ffff 00ffff
00ffff
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7f007f
508772 508772
508772
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7f7f7f
458a8e 458a8e
458a8e
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7fffff 7fffff
7fffff
398ca9 398ca9
398ca9
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2e8ec5 2e8ec5
2e8ec5
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ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
2390e1 2390e1
2390e1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1893fd 1893fd
1893fd