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+--- Part Two ---
+
+It's getting pretty expensive to fly these days - not because of ticket prices, but because of the
+ridiculous number of bags you need to buy!
+
+Consider again your shiny gold bag and the rules from the above example:
+
+- faded blue bags contain 0 other bags. - dotted black bags contain 0 other bags. - vibrant plum
+bags contain 11 other bags: 5 faded blue bags and 6 dotted black bags. - dark olive bags contain 7
+other bags: 3 faded blue bags and 4 dotted black bags.
+
+So, a single shiny gold bag must contain 1 dark olive bag (and the 7 bags within it) plus 2 vibrant
+plum bags (and the 11 bags within each of those): 1 + 1*7 + 2 + 2*11 = 32
+bags!
+
+Of course, the actual rules have a small chance of going several levels deeper than this example; be
+sure to count all of the bags, even if the nesting becomes topologically impractical!
+
+Here's another example:
+
+shiny gold bags contain 2 dark red bags. dark red bags contain 2 dark orange bags. dark orange bags
+contain 2 dark yellow bags. dark yellow bags contain 2 dark green bags. dark green bags contain 2
+dark blue bags. dark blue bags contain 2 dark violet bags. dark violet bags contain no other bags.
+
+In this example, a single shiny gold bag must contain 126 other bags.
+
+How many individual bags are required inside your single shiny gold bag?
+
+