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new file mode 100644
index 0000000..1e8d56f
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new file mode 100644
index 0000000..4099407
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diff --git a/2019/tests/samples/20-1-2.in b/2019/tests/samples/20-1-2.in
new file mode 100644
index 0000000..6f61581
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diff --git a/2019/tests/samples/20-1-2.out b/2019/tests/samples/20-1-2.out
new file mode 100644
index 0000000..8c61d23
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