Pirahã Year IOL 2013 Round Individual Contest Number Problem 3 Language Pirahã (Mura) Author Artūrs Semeņuks Download Problem Problems Eesti English (A) English (B) Magyar Nederlands Polski Português Română Slovenščina Svenska Čeština Български Русский Српски Download Solution Solutions Eesti English (A) English (B) Magyar Nederlands Polski Português Română Slovenščina Svenska Čeština Български Русский Српски