2n1tJvqLC7U1PXERTvrLSgi6GaokbPdSkLSznivkYVkK
Book Of Halving isn't on the curated arena yet, but anyone can pick it as one of their five each round.
https://apeleague.xyz/t/2n1tJvqLC7U1PXERTvrLSgi6GaokbPdSkLSznivkYVkK