avenues = 15
streets = 5
robot = (1, 1, 'E', 0)
walls = [
(4, 1),
(4, 3),
(2, 3),
(3, 2),
(4, 5),
(3, 6),
(2, 7),
(4, 7),
(5, 6),
(6, 5),
(7, 4),
(8, 5),
(9, 4),
(10, 3),
(6, 3),
(7, 2),
(8, 7),
(9, 6),
(7, 8),
(10, 7),
(13, 6),
(13, 4),
(12, 3),
(14, 7),
(15, 8),
(16, 9),
(19, 8),
(19, 6),
(18, 7),
(16, 5),
(17, 6),
(16, 3),
(17, 4),
(15, 2),
(16, 1),
(20, 3),
(22, 3),
(21, 4),
(19, 2),
(24, 5),
(24, 7),
(22, 7),
(23, 6),
(26, 7),
(27, 8),
(24, 9),
(20, 5),
(26, 3),
(27, 4),
(29, 2),
(25, 2),
(24, 1),
(12, 7),
(11, 4),
(27, 6),
(29, 6)
]
beepers = {
(15, 1): 1
}