Udihe Year IOL 2006 Round Individual Contest Number Problem 4 Language Udihe (Tungusic) Author Boris Iomdin Download Problem Problems Eesti † English Lietuvių Nederlands Polski Suomi Български Русский Српски Download Solution Solutions Eesti † English Lietuvių Nederlands Polski Suomi Български Русский Српски Best Solutions Name Team Natalia Ostapuk St. Petersburg