n = int(input())
nums = [input() for i in range(n)]

nums_with_opts = []
for num in nums:
    opts = []
    for c in num:
        if c == '6' or c == '9':
            opts.append(('6', '9'))
        else:
            opts.append((c,))
    nums_with_opts.append(opts)

print(nums_with_opts)