Errata
Rnd 19 (22): 2ch (does not count as 1htr), 1rtrf in every rtrf or htr of round 17 (20), close with sl st in first rtrf, turn – 96 (112)rtrf.
Rnd 29 (34): 2ch (does not count as 1htr), 1rtrf around every st of rnd 27 (32), sl st in first rtrf, turn – 96 (112)rtrf.