I think the 112-year-old woman is Chiyoko Asato. The anonymous woman died in March 2011 was born between 16 September and 31 December 1898. Chiyoko Asato was born on 20 September 1898 while Usa Hirata was born on 20 March 1899. The anonymous woman was born between Kame Nakamura and Usa Higa according to 2010 list. In 2006 list, Usa Higa(21 March 1899) was on spot 15, she was the anonymous womanborn between 14#Usa Hirata(20 March 1899) and 17#Kami Miyasato(1 May 1899). The only anonymous woman born between 6#Kame Nakamura and 15#Usa Higa is on spot 10. She was born between 9#Mazuru Sabe(June 1898) and 12#Tatsujiro Shimabukuro(2 January 1899) and has turned 108 before 30 September 2006, so she was Chiyoko Asato whose last alive confirmation was in 1 March 2009.
