I like the simplicity of the map! I would pick buildings 2, 4, 8, 9, 11, 15, 20, 21, 27, 28, 35, 44 and 47 to have interiors, buldings 1, 3, 5, 6, 7, 10, 12, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 48, 49, 50 and 51 closed off...