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#!/usr/bin/env perl

...
Name3  China,HongKong,Canada
Name4  London,Amsterdam,Ireland,USA
Name5  India,USA,Canada

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ID      Name1   Name2   Name3   Name4   Name5
Name1   0       2       2       2       1
...
Name3   2       2       0       3       2
Name4   3       4       4       0       3
Name5   1       1       2       2       0