Add lab session 5

Handed in on 24 Nov 2020.

Change-Id: I2264c4fa515b1d8140a328292f950b8ffb481ef8
diff --git a/p5/data/m4.dat b/p5/data/m4.dat
new file mode 100644
index 0000000..441092b
--- /dev/null
+++ b/p5/data/m4.dat
@@ -0,0 +1,109 @@
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