Northern Sotho Year IOL 2015 Round Team Contest Number Problem 1 Language Northern Sotho (Niger-Congo) Author Boris Iomdin Download Problem Problems Bulgarian Chinese (正體) Chinese (简体) Czech Dutch English (A) English (B) Estonian French Hungarian Japanese Latvian Polish Romanian Russian Slovenian Spanish Swedish Turkish Ukrainian Download Solution Solutions Bulgarian Chinese (正體) Chinese (简体) Czech Dutch English (A) English (B) Estonian French Hungarian Japanese Latvian Polish Romanian Russian Slovenian Spanish Swedish Turkish Ukrainian