latitude	longitude
18.12	-98.02
18.2	-97.29
18.27	-97.23
20	-100
20.19	-105.19
21.01	-101.51
21.02	-104.22
22.1	-101
22.47	-99.01
24	-99
27.06	-109.28
30.5	-115.15