36 66 3 15
##################################################################
#.........................#...#.......#...........#.....#....O...#
##..#.#.#..#..#.####.##.#...#.#@#.###..#.##.#.....#.#...#...#.#.##
#...O...#.#...#.#...#.....#.#...#...#.........#.#.#...#.#.#......#
#.#.#.#.....#...#.#.#..##O...##..##...#.#@...#....#.#..##.#.#.#.##
#.#.....#....@#.#....@#.......#.......#.........#.#.#...#@#.#...##
#.###..##.#####.###.###.#####.####.##.#.#.####.#....###O#.#.#.####
#.#.......#...#.......#.#...#....O....#.......#.#...............##
#.##.##.#.#...#...##....#...##.###.##..##.#O..#.#.##..#########.##
#...#...........#.#.#.#...#.@.......#...#.....#.....#.........#.##
###.#....#..#.#.#.#.....###..#.###.O#.##..#.#####..##.##.####.#.##
#...#.#...O.#.....#.......#@..........#...#.....#.....#..@..#.#.##
#.#.#.#.#.#.####@##O#..##.#..####.#####.#####.#.#.#.#...###.#....#
#.#...#............O#...#.#.#.......#...#.....#.....#.....O...#.##
#.#..#...##.#####.##O##.#O#...#.#.#.#..#....#######...###..##...##
#...#.....#.............#.#.#.....#...#...........#.....#.....#.##
#...###.#.#O.###..####.##....O..###..#....#.#.###.##.##...#.#.#.##
#.O.....#.............#...#.....#...#...#...#.#.#.#.........#...##
#.###.#.########..#..##...#...#.#.##..#.#.##....#.#.###.###.#.#.##
#.........O.............#...#...#...#.#.......#.#...#.O...#...#.##
#..###.####...#.####..#.#####.#..##.#.#####.###.#####@#.#..#.##.##
#...#.....#...#.........#...#.#...#.........#...#.....#.#.#.....##
#.#.###.#.####.##.#.#.#.....#.#####.##....###.#...#..#..#...##...#
#.#.....#..@..#.....#.#.#...........#.............#.......#.....##
#..#..#O#####.#.#..##.#.#...###.##..#.###.#.#.#.#.#...#.##.####..#
#...........#...#.....#...#.......#...#.#...#.....#.#.#.#.....#..#
#..##.#...#..#..#.##.##..#..#...#...###O#.###..##.#.#...#.#.#.#.##
#.....#.....#...#...#.......#...#.#.........#...#...#.....#.#..O##
###.##..#...#...#.#...#O........#....###..#.#.#..##.#.##..#.#.#.##
#...#.....#...#...#...#.....#.#...#..O....#.#.....#.#.....#.#.#.##
#.###...##..#.####.####.###.....#..###.##...#.###...##....#.##...#
#.#...........#.........#...#.#.....#.....#.#.....#.....#@..#....#
#@#.###..O...##.#..#.#.##.##..#####..O#.#...#.#.#.###.#.#..#.@##.#
#.......#.......#.............#...........#...#.................##
##.######..#.######.##.###.##.###.##.#####.###.##.##..#########..#
##################################################################
