1
washington dc n2 & las vegas n2
2
london n1/n2
3
houston n2
4
washington dc n1 & las vegas n1
5
paris n1/n3 & houston n1 & atlanta n1/n4
6
chicago n1/n2/n3 & new jersey n1/n2/n3
7
paris n2
8
new jersey n4
9
los angeles n1/new jersey n5
10
london n3
11
los angeles n2/n3/n4/n5 & atlanta n2/n3
12
london n4/n5
13
london n6