a=aaab
ifta>abc0
empty_shape
equality hypothesis
ifta>aac0

e09c1d0f36fe4ab5b50adf657dfdf069 2H4H0
a81a84c241693e4d472ceb48c327ff3b 2H1H0
865be52494a27dfe39e0c4d022bb8e8d 3H0H0
a81a84c241693e4d472ceb48c327ff3b 2H1H0
