by steps
000000 000000
000000
9482fb 9482fb
9482fb
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
007f7f
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9582fa
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007fff
00ff00 00ff00
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00ff7f
9782fa 9782fa
9782fa
00ffff 00ffff
00ffff
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7f007f
9883fa 9883fa
9883fa
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
9f84f9 9f84f9
9f84f9
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
a185f9 a185f9
a185f9