num_lin, num_col = [int(x) for x in input().split()]
mat = [ [int(x) for x in input().split()] for _ in range(num_lin) ]

for i in range(num_lin):
    for j in range(num_col):
        if mat[i][j] == 2:	
            ai = i
            aj = j
        elif mat[i][j] == 1:
            mi = i
            mj = j

tempo = abs(ai-mi) + abs(aj-mj)

print(tempo)