Devised circa 1950 and gifted to Mrs Tihi West for her daughter Wendy West by Mrs MacNab, believed on a visit to St Andrews Summer School. It was revised in 1976 by Mrs Tihi West, for teaching. The bars are 8+8+8+8+32+16=80. Information from <<https://my.strathspey.org/dd/issue/2443/|issue 2443>>.