def main(): grid = [[0] * (N + 2)] apnd = grid.append for n in A: apnd([0] + n + [0]) apnd([0] * (N + 2)) for i, l in enumerate(L): if i < 250: case1 = search(l, grid) _, row1, col1, row2, col2 = case1 line = grid[row1][col1:col2] grid[row1][col1:col2] = list(map(lambda x: int(not x), line)) print(row1, col1, row2, col2 - 1) else: if i == 250: grid = list(map(list, zip(*grid))) case2 = search(l, grid) _, row1, col1, row2, col2 = case2 line = grid[row1][col1:col2] grid[row1][col1:col2] = list(map(lambda x: int(not x), line)) row1, col1 = col1, row1 row2, col2 = col2, row2 print(row1, col1, row2 - 1, col2) def search(l, grid): maxb = -1 for i in range(1, N + 1): for j in range(1, N + 2 - l): black = grid[i][j:j+l].count(1) if l == black == 1: if grid[i][j-1] == grid[i][j+1] == grid[i-1][j] == grid[i+1][j] == 0: maxb = black return (maxb, i, j, i, j + l) elif maxb < black: maxb = black ret = (maxb, i, j, i, j + l) if black == l and grid[i][j-1] == grid[i][j+l] == 0: return ret return ret N, K = map(int, input().split()) L = tuple(map(int, input().split())) A = [list(map(int, list(input()))) for _ in [0] * N] main()