Use a mix of 0s and 1s, if the answer is "00110" and you put in "11000" you'll have 4 yellow and 1 green. If you use only 0s or only 1s for your first guess, you'll just get green and grey, no yellow.
Huh, surprisingly difficult to get. Took me 8 or so attempts.
Huh, surprisingly difficult to get. Took me 8 or so attempts.