by steps
000000 000000
000000
768d42 768d42
768d42
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00007f
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0000ff
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007f7f 007f7f
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748c43
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007fff
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738c45
00ffff 00ffff
00ffff
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728c47 728c47
728c47
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718c49
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6f8c4b 6f8c4b
6f8c4b
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6e8c4d 6e8c4d
6e8c4d
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6d8c4f 6d8c4f
6d8c4f
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
6c8c51 6c8c51
6c8c51