N = int(input())
board = []
for _ in range(N):
    row = list(map(int, input().split()))
    board.append(row)

chance = N

while chance > 0:
    max_sum = float('-inf')

    for i in range(chance):
        sum_row = sum(board[i])
        for j in range(chance):
            sum_column = sum(board[:][j])
            score = sum_row + sum_column - board[i][j]

            if score > max_sum:
                max_sum = score
                row_num = i 
                column_num = j

    print(row_num+1, column_num+1)

    # delete column
    for k in range(chance):
        board[k].pop(column_num)
    board.pop(row_num)

    chance -= 1