def solve(n, i, a, b, c):
    if i < n:
        for j in range(n):
            if j not in a and i+j not in b and i-j not in c:
                for solution in solve(n, i+1, a+[j], b+[i+j], c+[i-j]):
                    yield solution
    else:
        yield a

for solution in solve(8, 0, [], [], []):
    print(solution)