The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
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one<>two<>5 13 7
one<>three<>5 13 5
one<>four<>3 13 5
two<>two<>2 3 7
two<>four<>1 3 5
three<>four<>1 1 5