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+See: https://adventofcode.com/2022/day/1
+** Part 1
+*** Purpose
+Given a list of numbers:
+
+#+begin_example
+1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000
+#+end_example
+
+Calculate the "group" with the largest sum, and report that sum.
+
+*** Method
+
+This sounds easy. Split the input into a list of lists:
+
+#+begin_example
+'((1000
+   2000
+   3000)
+  (4000
+   5000
+   6000)
+  (7000
+   8000
+   9000)
+  (10000))
+#+end_example
+
+Sum up each sub-list, sort it, and take the CAR!
+
+** Part 2
+*** Purpose
+The next part simply asks us to sum the top 3 numbers. So quick and easy, I've just provided the mechanisms for summing X highest numbers.