5,472 (5,024) Sunderland Delight Major

Donald F Morrison (no. 7598)
234567  B  M  W  H
34562      s  2  s
34625   -        -
423756        In
274536  -
364257        F  s
62354   -
42356      s [ss] 
Repeat twice.

Reduce to 5,024 by omitting [ss] from any two parts.
Either length contains 18 each 56s, 8765s and 7568s, 12 each 8765s off the front and 8756s off the front, 6 each 5678s off the front and 6578s off the front, and back rounds.
Also true to Griffin Surprise, I Can't Believe It's Not Yorkshire Surprise, Lyme Surprise, Pope Benedict XVI Surprise, Whitwick Surprise, Wildebeest Surprise, Yorkshire Surprise, Alpine Delight, Apiro Delight, Aplinskiy Delight, Apsley Delight, Bewnans Meryasyk Delight, Dingli Delight, Hunsdon Delight, Kashmir Delight, Kiriath Delight, Leysland Delight, Lincolnshire Delight, Malcolmmas Delight, Paisley Delight, Palermo Delight, Pasadena Delight, Porchester Delight, Portsmouth Delight, Siam Delight, Sipora Delight, Sisland Delight, Sleaford Delight, Tregear Delight, Winchester Delight and Yelling Delight.

Rung to Wildebeest Surprise at Oxford on 10 January 2017, conducted by J Alan Ainsworth.
Rung to Pasadena Delight at Packwood on 11 July 2017, conducted by Geoffrey W Randall.
Rung to Paisley Delight at Saintbury on 8 May 2018, conducted by Geoffrey W Randall.
Rung to Aplinskiy Delight at Pershore on 21 August 2018, conducted by Andrew F Alldrick.
Rung to Portsmouth Delight at Feckenham on 27 November 2018, conducted by Geoffrey W Randall.
Rung to Yelling Delight at Oxford on 19 February 2019, conducted by Kenneth R Davenport.