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Discussion of Problem 1569. Networking the “Iset”

What is test 17?
Posted by Felix_Mate 14 Jan 2016 22:44
Re: What is test 17?
Posted by Samsonov Ivan 11 Aug 2017 02:16
Use this test
6 9
5 6
3 4
2 4
1 5
3 6
1 2
1 6
4 5