by steps
000000 000000
000000
7a9444 7a9444
7a9444
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
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779242 779242
779242
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007fff
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00ff7f
759041 759041
759041
00ffff 00ffff
00ffff
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7f007f
728e40 728e40
728e40
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708c3f
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7fffff
6d8a3e 6d8a3e
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6b883d 6b883d
6b883d
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ff7f7f
ff7fff ff7fff
ff7fff
68863c 68863c
68863c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
66843b 66843b
66843b