def get_basis(a):
    basis = []
    for e in a:
        e = normalize(e,basis)
        if e: basis.append(e)
    return basis

def normalize(v,basis):
    for b in basis:
        if v > v^b: v ^= b
    return v

import sys
n,m = map(int,input().split())
mat = sys.stdin.read().translate(str.maketrans('.#','01','\n'))
#生成系
p = [0]*n
q = [0]*n
r = [0]*2*n
s = [0]*2*n
for i in range(n):
    for j in range(n):
        v = 1<<(n*i+j)
        p[i] ^= v
        q[j] ^= v
        r[i+j] ^= v
        s[i-j+n] ^= v
basis = get_basis(p+q+r+s)

res = [normalize(int(mat[T*n*n:(T+1)*n*n],2),basis) for T in range(m)]
for i in range(m-1): print("".join("01"[res[i]==res[j]] for j in range(i+1,m)))