def get_basis(a):
    basis = []
    for e in a:
        for b in basis:
            if e > e^b: e = e^b
        if e: basis.append(e)
    return basis

def normalize(v,basis,top):
    for e,l in zip(basis,top):
        if v&(1<<l): v ^= e
    return v

import sys
n,m = map(int,input().split())
mat = "".join(sys.stdin.read().split())
#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-1] ^= v

basis = get_basis(p+q+r+s)
top = [i.bit_length()-1 for i in basis]
res = []
for T in range(m):
    c = "".join("0" if j=="." else "1" for j in mat[T*n*n:(T+1)*n*n])
    res.append(normalize(int(c,2),basis,top))

ans = [["0"]*m for i in range(m)]
for i in range(m):
    for j in range(i+1,m):
        if res[i]==res[j]: ans[i][j] = "1"

for i in range(m-1):
    print("".join(ans[i][i+1:]))