import sys # 입력 초기화 n = int(input()) color_paper = [list(map(int, sys.stdin.readline().split())) for _ in range(n)] # white, blue 총 갯수 w = 0 b = 0 # cut 함수 def cut(x, y, n): global w, b check = color_paper[x][y] for i in range(x, x + n): for j in range(y, y + n): if color_paper[i][j] != check: # 1사분면 cut(x, y, n // 2) # 2사분면 cut(x, y + n//2, n // 2) # 3사분면 cut(x + n//2, y, n // 2) # 4사분면 cut(x +..