n = int(input())
a = []
b = []
is_null = True
for row_index in range(n):
    a.append(list(map(int, input().split())))
    b.append(list(map(str, a[row_index])))
    if any(a[row_index]):
        is_null = False
if not is_null:
    for row_index, row in enumerate(a):
        for col_index, value in enumerate(row):
            if value > 0:
                continue
            r = 1
            while True:
                count = 0
                score = ''
                x = col_index - r
                y = row_index
                num = 0
                if x < 0:
                    offset = abs(x)
                    if row_index + x < 0:
                        offset = r
                    x += offset
                    y -= offset
                    num += offset
                while (num < r) and (y > -1):
                    if a[y][x] > 0:
                        count += 1
                        score = str(a[y][x])
                    if count > 1:
                        break
                    x += 1
                    y -= 1
                    num += 1
                if count > 1:
                        break
                x = col_index
                y = row_index - r
                num = 0
                if y < 0:
                    offset = r
                    if col_index + abs(y) < n:
                        offset = abs(y)
                    x += offset
                    y += offset
                    num += offset
                while (num < r) and (x < n):
                    if a[y][x] > 0:
                        count += 1
                        score = str(a[y][x])
                    if count > 1:
                        break
                    x += 1
                    y += 1
                    num += 1
                if count > 1:
                    break
                x = col_index + r
                y = row_index
                num = 0
                if x > n - 1:
                    offset = r
                    if row_index + (x - n + 1) < n:
                        offset = x - n + 1
                    x -= offset
                    y += offset
                    num += offset
                while (num < r) and (y < n):
                    if a[y][x] > 0:
                        count += 1
                        score = str(a[y][x])
                    if count > 1:
                        break
                    x -= 1
                    y += 1
                    num += 1
                if count > 1:
                    break
                x = col_index
                y = row_index + r
                num = 0
                if y > n - 1:
                    offset = r
                    if col_index - (y - n + 1) > -1:
                        offset = y - n + 1
                    x -= offset
                    y -= offset
                    num += offset
                while (num < r) and (x > -1):
                    if a[y][x] > 0:
                        count += 1
                        score = str(a[y][x])
                    if count > 1:
                        break
                    x -= 1
                    y -= 1
                    num += 1
                if count > 0:
                    if count == 1:
                        b[row_index][col_index] = score
                    break
                r += 1
for row in b:
    print(' '.join(row))