def move_up(row, col):
return row - 1, col
def move_down(row, col):
return row + 1, col
def move_left(row, col):
return row, col - 1
def move_right(row, col):
return row, col + 1
size = int(input())
matrix = []
bunny_row = 0
bunny_col = 0
for row in range(size):
row_elements = input().split()
matrix.append(row_elements)
for col in range(size):
if row_elements[col] == "B":
bunny_row = row
bunny_col = col
directions = {
"up": move_up,
"down": move_down,
"left": move_left,
"right": move_right
}
best_sum = float("-inf")
best_direction = ""
best_path = []
for direction, step in directions.items():
current_row, current_col = bunny_row, bunny_col
path = []
current_sum = 0
while True:
current_row, current_col = step(current_row, current_col) # извиквам функцията
if current_row < 0 or current_col < 0 or current_row >= size or current_col >= size or matrix[current_row][current_col] == "X":
break
path.append([current_row, current_col])
current_sum += int(matrix[current_row][current_col])
if current_sum > best_sum and path:
best_sum = current_sum
best_direction = direction
best_path = path
print(best_direction)
for path in best_path:
print(path)
print(best_sum)