A week with old self
Difference between en1 and en2, changed 147 character(s)
[http://petr-mitrichev.blogspot.com/2015/10/a-week-with-old-self.html](http://petr-mitrichev.blogspot.com/2015/10/a-week-with-old-self.html)↵
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UPD. I've originally forgot to include function extraMatrix in the code I posted, and it contains an important part of the logic. Post updated.

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  Rev. Lang. By When Δ Comment
en2 English Petr 2015-10-17 10:35:12 147
en1 English Petr 2015-10-17 02:44:55 160 Initial revision (published)