Before PE, August 2017: E: 6 1/4 x 5 1/8 F: 4 1/2 x 4 1/4 July 2019, after 2 years manual PE, immediately before PMMA round 1 E: 6 7/8 x 5 1/4 F: 4 1/2 x 4 1/2 October 2019, final result after 1 round PMMA E: 6 3/4 x 6 F: 4 3/4 x 5 1/4 October 2020, final result after 2 rounds PMMA E: 6 3/4 x 6 1/4 F: 4 3/4 x 6