Solve day 16

2024/16_maze.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import sys
+from heapq import heappop, heappush
+
+grid = [line.rstrip() for line in sys.stdin]
+start = next((x, y) for y, row in enumerate(grid)
+            for x, cell in enumerate(row) if cell == 'S')
+end = next((x, y) for y, row in enumerate(grid)
+        for x, cell in enumerate(row) if cell == 'E')
+work = [(0, (start,), 1, 0)]
+best_costs = {(*start, 1, 0): 0}
+best_end_cost = 0
+best_seats = set()
+
+while work:
+    cost, path, dx, dy = heappop(work)
+    x, y = pos = path[-1]
+    if pos == end:
+        best_seats |= {*path}
+        best_end_cost = cost
+    elif not best_end_cost or cost < best_end_cost:
+        for cost, x, y, dx, dy in (
+            (cost + 1, x + dx, y + dy, dx, dy),  # straight
+            (cost + 1000, x, y, dy, -dx),        # left
+            (cost + 1000, x, y, -dy, dx),        # right
+        ):
+            pos = x, y, dx, dy
+            if grid[y][x] != '#' and best_costs.get(pos, cost + 1) >= cost:
+                best_costs[pos] = cost
+                heappush(work, (cost, path + ((x, y),), dx, dy))
+
+print(best_end_cost)
+print(len(best_seats))

2024/input/16

@@ -0,0 +1,141 @@
+#############################################################################################################################################
+#...#.................................#...#...#...............#...............#.........#...............#...#.....#.........#.....#........E#
+#.###.#.#####.###########.#.#.#####.#.#.#.#.#.#.###.#####.#.###.#########.#.#.#.#.#####.###.#######.#####.#.#.#.#.#######.#.#.#.###.###.###.#
+#.........#...#.........#.#.#.........#.#...#.....#.....#.#.....#.........#.#...#.#...#...#.....#...#.........................#.....#...#.#.#
+#######.###.#####.###.###.#########.#.#.###############.###.#####.#########.#.###.###.###.#####.#.#.#.#########.###.#.#.#.###.#######.###.#.#
+#.........#.....#...#.#...#.........#...#...#...#.............#...#.#.....#.#...#...#...#.......#...#.....#...#...#...#.#...#.....#...#...#.#
+#.#######.#.###.#.#.###.###.#######.#.#.#.#.#.###.###.#.#####.#.###.#.#.#.#.#.#.###.#.#.#.#######.#.#####.#.#.###.#####.###.###.###.###.#.#.#
+#.#...#.#.....#.#.....................#...#...#...#.#.#...#...#.#.....#.#.#...#...#.#.........#...#.....#.#.#...#.....#.....................#
+#.#.#.#.#####.#.#####.#.###.#.#.#.#.#.#.#######.###.#.###.#.#.#.###.###.#####.###.#.#.#.#.#.###.###.###.#.#.###.#####.###.#####.#.###.#.#####
+#.#.#.#.......#.....#.#.....#.#.#...#...#.........................#...#.........#.#.#.#...#.#.....#.#...#.#...#.#.....#.#.....#.#.#.......#.#
+#.#.#.#######.#####.#.#######.#.###.#.###.#######.#######.#.#.#.#.###.#######.###.#.###.#.###.#####.#.###.#.#.###.#####.#####.###.#######.#.#
+#...#.......#.......................#.#...#.....#...#...#.#...#.#.#.......#.......#...#.#.#...#...#.#.....#.#...#...#.............#...#.#...#
+#.###.#####.#########.###.#.#####.#.#.#.#####.#.###.#.#.###.#.###.#########.#.#######.#.#.#.###.#.#.###########.###.#.#########.###.#.#.###.#
+#...#.....#.#...#.........#.#...#...#...#.....#...#.#.#.....#...#...#.......#.......#.#.#.#.#.........................#.......#.#...#.#...#.#
+#####.###.#.#.#.#.###.#####.#.#.###.#####.#########.#.#####.###.#.#.#.#######.#.#.###.#.#.#.#.###.#.###.#########.#.###.#####.#.#.###.#.#.#.#
+#.....#.....#.#.#...#.#.....#.#.#.......#...........#.....#.....#.#.#.#.#.......#.#...#.#...#...#...#...#.......#.#.....#...#.#.#.#...#.#...#
+#.###.#######.#####.#.#.#####.###.#######.###.###########.#####.###.#.#.#.###.###.#.###.#######.#.#.#.###.###.###.#######.###.#.#.#.#########
+#.#.......#...#.......#.#...........#.....#.............#.....#.#...#.#.....#.#...#...#.#.#...#.#.#...#.#.#.#.............#...#.#.#.#.......#
+#.#.#.###.#.#.#.#######.#.#####.#####.#######.#########.#####.#.#.#.#.#######.#######.#.#.#.#.#.#.###.#.#.#.#############.#.#####.#.#.#####.#
+#.#.....#.#.#...#...#...#.#...#.#.....#.....#.....#...#.#.....#.#.#.#.....#...#.......#.#.#.#...#.#...#.#.....#.#...#...#.#.......#...#...#.#
+#.###.#.#.#####.#.#.#.###.#.#.###.#####.###.###.#.#.#.#.#.#####.#.#######.#.#.#.#######.#.#.#####.#.#.#.#####.#.#.#.###.#.#########.###.#.#.#
+#.......#.....#.#.#...#...#.#.#...#...#...#.#.....#.#...#.#...#.#.#.......#.#.#...#...#...#.......#.#.....#.....#.#...#...#.............#.#.#
+#.###.#######.#.#.#########.#.#.###.#.###.#.#.#####.#####.#.#.#.#.#.#######.#.###.#.#.#.#.#######.#.#######.#####.###.#.#.#.#####.#########.#
+#.....#.....#.#.#.........#.#...#...#...#.#...#...#.#.....#.#.#.#.#...#...#.#...#.#.#.#.......#.........#...#.#...#...#.#...#...#.#.....#...#
+#####.#.###.#.#.#.#######.#.#####.#.###.#.#####.###.###.###.#.#.#.#.#.#.#.#.###.#.#.#.###.#####.#######.#.###.#.###.###.#.#.#.###.#.###.#.###
+#...#.#...#.....#.#.....#.#.#...#.#.#.........#...#.....#.#.#...#.#...#.#...#...#.#.#.....#.......#...#.#.#...#.#.......#.#.#.....#.#.#.#...#
+#.#.#.###.#.###.#.###.###.#.#.#.#.#.#######.#.#.#.#######.#.#####.#.###.#.#######.#.#######.#####.#.###.#.#.###.#.###.#####.#######.#.#.#.#.#
+#.#.#.#...#.....#...#...#...#.#...#...#...#.#...#...#.....#...#...#.#...#.#...#...#...#.....#...#.#...#.....#...#...#.......#.......#.#.#.#.#
+#.#.#.#.#.#####.###.###.#####.#######.###.#.#####.###.###.###.#.###.#.#.###.#.#.###.###.#####.#.#.###.#######.#####.#######.#.#######.#.#.#.#
+#.#.#...#.#.....#.....#.............#...#...#...#.....#.#.......#...#.#.#...#...#...........#.#.#.....#.......#.....#...#...#.#.......#...#.#
+#.###.###.#.#########.#.###########.###.#.###.#.###.###.#########.#####.#.#########.#.#######.#.#.#####.#######.#####.#.#.###.###.#######.#.#
+#.....#...#.........#.#...#.......#...#.#.....#...#.......#.....#...#...#.....#...#.#.#.#.....#.#.#...........#...#.......#.#.#...#.......#.#
+#.###.#.###########.#.###.#.#####.#####.#########.#.###.###.###.###.#.###.###.#.#.#.#.#.#.#####.###.#####.#.###.#.#.#######.#.#.###.###.#.#.#
+#...#...#.....#.....#.#...#.#...#.#...#.....#...#.......#...#.....#...#.....#.#.#.#.#.#.#.#...#.....#.....#.#...#.....#.....#.......#...#...#
+###.#####.#.###.#####.#####.###.#.#.#.#####.#.#.#####.###.###.#####.###.###.#.#.#.###.#.#.###.#######.#####.#.#######.#.#.#.#.#####.#.#.#.###
+#.........#.#...#...#.#.....#...#.#.#...#...#.#.#.....#...#...#.....#...#...#...#...#...#...#.......#...#...#.#...#...#.#.#.#.....#.#.#.....#
+#.#########.#.#####.#.#.#####.###.#.###.#.#####.#.#####.###.#.#.#####.###.#########.###.###.#####.#####.#.###.#.#.#.#####.#######.#.#.#.#.#.#
+#...#.......#.#.....#...#...#.#...#.#.#.#.....#.#.#...#.#.#.#.#...#...#...#...#...#.......#.....#.....#.#...#.#.#.#.....#.#...............#.#
+###.#.#######.#.###.#####.#.#.#.###.#.#.###.#.#.#.#.###.#.#.#####.#.###.###.#.#.#.#.###########.#.#.#.#.###.#.#.#.###.#.#.#.#.#.###.#.#.#.#.#
+#.....#...#...#.#.....#...#...#.#...#.#...#.#.#.....#...#.#.....#.#.#.......#...#.#.#.#.......#.#.#.#.#.#.#.#...#.#...#.#...#.#.#.#.#.#.#...#
+#.#####.#.#.###.#######.#.#####.#.###.###.###.#.#####.###.#####.#.#.#####.#######.#.#.#.###.#.#.#.#.###.#.#.#####.#.#.#.#.###.#.#.#.#.#.###.#
+#.........#.#...........#.....#...#.....#...#.#.#.....#.......#...#...#.......#...#.#.#.#...#...#.#.......#...........#.#.#...#.............#
+#.#.#####.#.#.###############.#######.#.###.#.#.#.#####.#.###.#######.#.#.###.#.###.#.#.#.#######.###.###.#########.###.###.#.#.#.#.#.#.#.#.#
+#.#.#...#...#.#.............#.#.......#...#.#.#.#...#...#.#.#.......#.#.#.#.#.#.#.#...#.#.......#...#...#...#...........#...#.#.#.#...#...#.#
+#.#.#.#.#####.#########.###.#.#.###.#.#.#.#.#.#.###.#.###.#.#####.###.#.#.#.#.#.#.###.#.#.###.#.###.#.#####.#.#########.#.###.#.###.#.#.###.#
+#.#.#.#.....#.#.......#...#.#...#.#.#.#.#.....#.#...#.#.#.#.....#.#...#.#.#...#.#.......#.#...#.#...#.....#...#.......#...#...#.......#.#.#.#
+#.#.#.#######.#.#####.#####.#####.#.###.#########.###.#.#.###.###.#.###.#.#.###.#.#####.#.#.###.#.#####.###.###.#####.###.#######.###.#.#.#.#
+#.#.#.......#...#.#...#.......#...#.....#...#.....#.#...#...#.#...#.#...#.#.....#.....#.#.#.#...#.....#...#.#...#...#.#...#.....#.#.....#.#.#
+#.#.#.#####.#####.#.###.#####.###.#######.###.#####.#.#.###.#.#.###.#####.#.#.#######.#.#.#.#########.###.#.#.#####.#.#####.###.#.#.#.#.#.#.#
+#.#...#.....#.....#.....#...#...#...#.......#.#.#.....#.....#.....#.....#.#.#...#.....#.#.#.........#.#.#.#...#.....#.#.....#...#.#...#.....#
+#.###.#.#####.###.#######.#.###.#.#.#.#.###.#.#.#.#####.#.#############.#.#.###.#.#####.#.#######.###.#.#.###.#.#.#.#.#.#####.###.###.#####.#
+#...#.#...#.....#...#.....#...#.#.#...#.#...#.#.....#...#.#.............#.......#.#.....#...#.....#...#.#.....#.#.#.#.#...#.#.#...#.#.....#.#
+###.#.###.#.#######.#.#.#.###.#.#.#####.#.###.#######.###.#.#############.#########.#.#.#.###.#.###.#.#.#.#####.#.#.#.###.#.#.#.###.#.###.#.#
+#...#...#...#.....#.#.#...#.#.....#...#.#...#.#.......#...#.#...#.......#.....#.....#...#.#...#.#...#...#.....#.#.#.#.....#.#...............#
+#.###.#.#####.###.#.#.#####.#######.#.#.###.#.#.#.#.#######.#.###.#####.#####.#.###########.#.###.#####.###.#.#.#.#########.#.#####.#.#.#.#.#
+#.#...#.#.......#.#.#.#.....#...#...#.#.#...#.#.#...........#.#...#...#...#...#.#.....#.......#...#.......#.#...#.......#...#...#.#.#...#.#.#
+#.#.#.#.#.#######.#.#.###.#.###.#.###.#.#.###.#.###.#.###.#.#.#.###.#.#.###.###.#.#.#.#.#####.#.###.#####.#.#######.#.###.#.###.#.#.#.###.#.#
+#.....#.#.....#...#...#...#.....#...#.#...#...#...#.#...#...#...#...#.#.#...#...#.#.#...#.....#.#...#...#.........#.#.#...#.....#.....#...#.#
+###.#.#.#.#.#.#.###.###.#####.###.#.#.#####.###.#.#.###.#####.###.###.#.#.#####.#.#.#######.###.#.###.#.#.#.#.###.#.###.#############.#.###.#
+#...#.#.#...#.#.#.#.....#.........#.#.#.....#.#.#.#.#.#...#.#...#.#...#.#.#.....#.#.......#.#.#.......#...#.#...#.#...#.....#.......#...#...#
+#.#.#.#.###.###.#.###.#########.###.#.#.#####.#.#.#.#.###.#.###.###.#.#.#.###.###.#.#####.#.#.#.###.#.#####.#.#.#.###.#.###.#.#####.#.###.###
+#.#...#.....#...#.....#.............#.....#...#.#.#.#...#.#...#...#.#.#.#.#...#.#.#.......#.#.....#.#.#...#...#.#.#.#.....#...#...#.#.#.....#
+#.#.#.#######.#.#######.#############.###.#.#.#.#.#.###.#.#.#####.#.#.#.#.#.###.#.#.#######.#.#####.#.#.#.#####.#.#.#####.#######.#.#.#####.#
+#.............#.#...#.....#...#.......#.#.#.#...#.#.....#.#.....#.#.#.#.....#.....#.#...#.....#.....#.........#.#.#.....#.........#.#.....#.#
+#.###.#######.###.#.#.#####.#.#.#####.#.#.#.#####.#######.#.###.#.#.#.#######.#####.###.#.#####.#######.###.#.#.#.#####.#####.#.###.#.###.#.#
+#.#.......#...#...#...#.#...#.....#...#...#.#.....#.....#.#.#.#.......#...#.#...#.#...#...#.....#.#.....#...#...#...........#.#.#...#...#.#.#
+#.#.#####.#.###.#######.#.#######.#.###.#####.#.###.###.#.#.#.#########.#.#.###.#.###.#.###.#####.#.#.###.###########.#######.#.#.###.###.#.#
+#...#.....#...#.#.......#.#...#...#.#.........#.#...#.#...#.#.#...#...#.#.#...#.....#.#.#...#.....#.#.....#.......#...#...................#.#
+#.###.#########.#.###.###.#.#.#.###.#############.#.#.#####.#.#.#.#.#.#.#.###.#.#.###.#.#.###.#.#.#.###.###.#####.#.###.###.#####.###.#.###.#
+#...#.....#.....#...#.#...#.#.#.....#...#.......#.#.....#.....#.#...#...#.#...#.#...#.#.#.#...#.#.#.#...#...#...#.#...#.#...#.....#.....#...#
+#########.#.#######.#.#.###.#.#####.#.#.#.#####.#.#.###.#.#####.#########.#.###.#.#.#.#.#.#.###.#.#.###.#.###.#.#.#.###.#.###.#####.#.#######
+#.........#.......#.#.#.....#.....#.#.#...#...#...#...#.#...#...#.....#...#...#.#.#.....#.#.#...#.#.......#...#.#...#...#...#.#.......#.....#
+#.###############.#.#############.#.#.###.#.#.#####.#.#####.#.###.###.#####.#.#.#.#######.#.#.###.#########.###.#####.#####.#.#.#####.#.###.#
+#...#.........#...#.............#.#...#...#.#.#.....#.....#.#.#...#.#.....#.#.#.#.......#.#.#...#.#.....#.....#...#...#.#...#.#.#.#...#.#...#
+###.#.###.#####.#.#.###.###.###.#.#.#######.#.#####.#####.#.#.#.###.###.#.###.#.#######.#.#.###.#.###.#.#####.###.#.###.#.###.#.#.#.###.#.#.#
+#...#.#.#.....#.#.#.#.#.......#.#.#.........#.....#.....#...#.#.....#...#...#.#...#...#...#...#.#.......#...#...#.#.#.....#...#...#.#...#.#.#
+#.#.#.#.#####.#.#.#.#.#######.###.#.#############.#.###.#.###.#.###.#.#####.#.###.###.#######.#.#.#.###.#.#.###.#.#.#######.#####.#.#.###.#.#
+#.#.#.#.....#...#.#...#...#.#...#...#.#.....#...#.....#.#...#...#...#.....#.....#.....#.......#.#.......#.#.....#.#.........#.#...#...#...#.#
+#.###.#.#########.###.#.#.#.###.#####.#.#.###.#.#######.#.#####.#.#######.#####.#####.###.#####.#.#######.#######.###########.#.###.#.#.#####
+#.....#.......#.....#...#.............#.#.....#.........#.#.....#.......#.#...#...#.#...#.#.....#.#.........#...#.......#...#...#.#...#.....#
+#.###########.#.#.#########.#.#####.###.#######.###.#.#.###.#########.###.#.#.###.#.###.###.#####.#.#######.###.#######.#.#.#.###.#########.#
+#...........#...#.#.......#.#.........#.#...#.......#.#.#...#.......#.#...#.#.........#.#...#.#...#...#.....#.........#...#.#.#.....#.....#.#
+#########.#.#.###.#.#.#####.#.###.###.#.#.###.#.#.#.#.#.#.#####.#.#.###.###############.#.#.#.#.#####.#.#####.#####.#.#####.#.#.###.#####.#.#
+#...#.......#...#...#.......#...#...#.....#...#.#...#.#.......#.#.#.....#.............#...#...#...#.#.#...#.........#.......#...#.#.#.....#.#
+#.###.###.###############.#.###.###.#######.###.#.#.#.#######.#.#.###.#.#.###########.#####.#####.#.#.###.#.#######.#############.#.#.###.#.#
+#...#.#...#.....#...#...#.#...#.#...#.....#.#.#...#.#.........#.#.#.#.#...#...........#.....#.....#.#.#.......#...#.#.............#...#...#.#
+#.#.#.#.#.#.###.#.#.#.#.###.#.#.#.###.###.#.#.#####.#############.#.#.#####.#######.###.#.#.#.#####.#.#.#######.#.###.#######.#####.#####.#.#
+#.#.#.#.#...#.#...#...#.....#...#.....#...#.#...#...#.....#.......#.#...........#...#...#.#...#...#...#...#.....#...#.....#.#.......#.......#
+###.#.#.#.###.#####.#######.###########.###.#.###.#######.#.###.###.#####.#.###.###.#.###.#.#.#.#.#####.#.#.#######.#####.#.#######.#.#####.#
+#...#.#...#.............#...#...#.......#...#.............#...#...#.....#.#...#...#.#...#.#.#...#.......#.....#.....#.#.........#...#.....#.#
+#.#.#.###.###.#.#########.###.#.#.#######.###################.###.#.###.#.###.###.#####.#.#############.#.#####.###.#.#.#######.###.#####.#.#
+#.#.#.#...#...#.#...#.....#...#.#.........#.........#...#.....#...#.#.#.#.#.#.#.#.....#.#...#.........#.#...#...#.....#.#.#...#.......#...#.#
+#.###.#.###.###.#.#.#.#####.###.###########.#######.#.#.#.###.#.###.#.#.#.#.#.#.###.###.###.#.#######.#.###.#.###.#####.#.#.#.#####.#.#.#####
+#...#.#...#.......#.....#.....#...........#.......#...#...#...#.#.#.#.#...#.#.............#.#.#.#...#.#...#.#.....#...#.#.#.#...............#
+###.#.#.#.#.###########.#.###.###########.#######.#########.###.#.#.#.#####.#####.#######.#.#.#.#.#.#.###.###.#####.#.#.#.#.#######.###.###.#
+#...#.#.............#.#.#...#...#.....#.#.......#...........#...#.#...#.........#.#...#...#.....#.#...#.#.#...#.....#.#...#.#...#.#...#...#.#
+#.#.#.###.#.#.#.###.#.#.###.#.#.###.#.#.#.#####.#########.###.###.###.#######.#.#.#.#.###########.###.#.#.#.#.#.#####.###.#.#.#.#.#.#.#.###.#
+#.#.#...#.#.#.....#.#.#.#...#.#.....#...#.....#...#...#...#...#.#.....#.....#.....#.#...#.........#.#...#.#.#.#.#...#.....#...........#.#...#
+#.#####.#.#.#######.#.#.#.###.#########.#####.#####.#.#.###.###.#.#####.###.#######.###.#.#########.###.#.#.###.###.###########.#.#.#####.#.#
+#.......#.....#.....#.#.#.#.....#.....#.#...#.......#.....#.#...#...#...#.#.#.........#.#...#.#.........#.#...#...#.......#.....#.......#.#.#
+#.###.#####.#.#.#####.#.#.#####.###.#.#.###.###############.#.#####.#.###.#.#.#.#####.#.###.#.#.#.#######.#.#.#.#.#.###.#.#.#####.#.#.#.#.###
+#.#...........#.#...#...#.#...#.#...#.#.#.....#...#...#...#.#.....#.#.#...#...#.#...#.#.....#.#.#.#.......#.#.......#...#.#.#.#...#.#...#...#
+#.###.#####.###.#.#.#####.#.#.#.#.###.#.#.###.#.#.#.###.#.#.#.###.#.#.#.#.#####.#.#.#.###.#.#.#.#.#.###########.###.#.#####.#.#.#.#.#.#.###.#
+#...#.....#.....#.#.........#...#.#.....#.#.....#...#...#.#...#.#.#...#.#.#.....#.#.#.............#...#.......#.....#...#...#...#.#...#...#.#
+###.#.###.#.#####.#######.#######.#.###.#.#######.###.###.#.#.#.#.#####.#.#.#####.#.###.#######.#.###.#.#####.###.#.###.#.###.###.#######.#.#
+#...#.#.#.#.......#.....#...#.....#...#.#...#.....#...#.....#...#...#...#...#...#.#...#...#.....#.#...#.....#...#.#.....#.#.....#.#.......#.#
+#.###.#.#.#.#######.###.#.#.###.#######.###.#.#####.###.#######.#.#.#.#########.#.#.#.###.#.###.###.#######.###.#.###.#.#.#.#####.#.#######.#
+#.....#.#.#.........#...#.#...#...#...#...#.#...#...#.........#.#.#.#...#.....#...#.#.#.#.#...#...#.....#...#...#.......#.#.#...#.#.#.......#
+#####.#.#.#.#######.#.###.###.#.#.#.#.###.#.#.#.#.#####.#.#.###.#.#####.#.###.#.#.#.#.#.#.###.###.#####.#.#.#.###.#######.#.#.#.#.#.###.#####
+#.#...#...#.........#.....#...#.#...#...#...#.#...#...#.#.......#...#...#.#.....#...#.#.....#.#.#.....#.#...#.#...#.......#.#.#.#.#...#.....#
+#.#.#.#.###.#########.#####.###.#####.#.#.###.###.#.#.###.#.#######.#.###.#######.#.#.#.#####.#.#####.#.#.#.#.#####.#######.#.#.#.###.#.###.#
+#...#...#.#...#.....#.#...#...#.#...#.#.#.#...#.....#...#.#.......#...#.......#.....#...#.....#.....#...#.#.#.....#.#...#...#.#.....#.#.#.#.#
+#.###.###.#.#.#.###.###.#.###.###.#.###.#.#.###.#######.#.###.#.#########.###.#.#####.###.#########.#######.#####.#.#.###.###.###.#.#.#.#.#.#
+#...........#...#.#.........#.....#...#.#.#.#...#...#.#.#...#.#.........#...#.#.....#.....#.......#.........#...#...#.....#.#.....#.#.#...#.#
+#.###.#.###.#####.#########.#########.#.#.#.#.###.#.#.#.###.#.###.#####.#.#.#.#####.#######.#####.###.###.#####.#####.#####.#####.###.#.#.#.#
+#.#...#.#.............#...#.#.....#...#...#.#.....#...#.....#.....#.....#.#.#...#...#.......#...#...#.#.#.#.......#...#.....#...#.....#...#.#
+#.#.###.#.#.###########.#.#.###.#.#.#######.#########.###.#.###.###.#####.#.#.#.#.#####.#.###.#####.#.#.#.#.#.#####.###.###.#.#.#.#####.###.#
+#.#...#.#.#.#...........#...#.....#.......#.......#...#.#.#.#...#.#...#.....#...#...#...#.#.....#...#...#.#.#.......#...#...#.#.........#.#.#
+#.###.#.#.###.#.#############.###.#######.#.###.###.###.#.#.#.###.###.#######.#.###.#.###.#.###.#.#.#####.#.###########.#.###.###.#####.#.#.#
+#...#.#.#.#...#.#...#.#.......#...#.....#.........#.#...#.#...#.....#.......#.#.#...#.#.....#.#.#.#...........#.........#.#.#.#...........#.#
+###.#.#.#.#.#####.#.#.#.#####.#.###.#########.###.#.###.#.#####.###########.#.#.#.###.#.#####.#.#.#.#########.#.#.#######.#.#.#.#######.###.#
+#...#.#.#.#.#.....#.#...#.....#...#.........#...#.......#.#.......#...#.....#.#.#...#.#...#...#...#.#.......#.#.#.......#.#.....#.....#...#.#
+#.###.#.#.#.#.#####.###.#.###.###.#####.#######.#.#####.#.###.###.#.#.#.#####.#.###.#.###.#.#.#####.###.#.#.#.###.#####.#.#.#####.###.#.#.#.#
+#.#.....#.#.......#...#.#.......#.#...#.....#...#.#...#.#...#.#.#...#.#.......#...#.#...#...#.#.......#.#.#.#...#.....#.#.#.#...#...#...#.#.#
+#.#.#####.#########.#.#########.#.#.#.#.#.#.#.#####.#.#.###.#.#.#####.#.###.#####.#.###.###.#.#.#####.#.#.#####.#####.#.#.###.#.###.###.#.#.#
+#.............#...#.#.#.....#...#...#.#...#.#.#.....#.#...#.#.....#.#.#.....#.#...#...#.#...#.#.#.....#.#.....#...#...#.#.....#.....#.....#.#
+#.#.#####.#.###.#.###.#.###.#.#######.#.###.#.###.###.#.###.#####.#.#.#######.#.#####.#.#.#.#.#.###.#.#######.###.#.###.#############.#.###.#
+#.#.......#.#...#...#.#...#...#...#...#...#.#.....#.#.#.#...#...#.#.#.#.........#.....#...#.#.#.#...#.#.........#.#...#.#.......#...#...#...#
+#.###.#######.#####.#.###.#####.#.#.#######.#######.#.###.###.#.#.#.#.#.###.#####.###.#.###.#.#.#.###.#.#########.#####.#.#####.#.#.###.#.#.#
+#.....................#...#...#.#...............#.#...#...#...#.#.#.#.#.........#.#...#.#...#.#...#...#.........#.#.....#.#.......#...#...#.#
+###.###.#######.###.#.#.#.#.#.#.#########.#####.#.#.###.###.###.#.#.#.###.#.#####.#.#.###.###.#.###.###.#######.#.#.#####.#.#######.#######.#
+#.#.....#.........#...#.......................#...#.....#.....#.#...#.....#.....#.#.#.....#...#.....#.....#...#.#...#.....#.....#.........#.#
+#.###############.#####.###.#.###.#.#.###.###.#######.#.#.#####.#####.#####.###.#.#.#######.#####.#######.#.###.#######.#.#####.#.#.#.#####.#
+#.#.............#.......#...#...#...#.#.....#...#...#.#...#...#.....#...#...#.............#.#...#.....#...#.#.........#.#...#...............#
+#.#.#.#########.###.#####.#####.###.#.###.#.###.#.#.#.#####.#.#####.###.#.#.#.###.#.#.#.###.#.#.#####.#.###.#.#######.#####.#.###.#.#########
+#.#.#.#...#.........#...#.#...#.#...#.....#.#.#.#.#.#.#.....#.......................#.#.#...#.#.......#.#...#.#.............#.#...#.......#.#
+#.#.#.#.#.###########.#.#.#.###.#########.#.#.#.#.#.#.#.#############.###.#.#######.###.#.###.#########.#.#.#.#####.#######.###.###.#.###.#.#
+#...............#...#.#...#...#.......#...#.#.#.#.#...#.#...........#.#...#.........#...#.#...#...#...#.#.#.#.#...#.#...#...#...#...#...#...#
+#.###.#.#.#.###.#.#.#.#######.#######.#.#.#.#.#.#.#####.#.###.#######.#.#####.#######.###.#.###.#.#.#.#.###.#.#.#.###.#.#####.###.#.###.#.#.#
+#S..#...#.....#...#.................#...#.....#.........#...#.........#.........................#...#.......#...#.....#...........#.....#...#
+#############################################################################################################################################