Analyse door Flits. 
20. 44x24 (-47) beter is 25-45!(1)
22. 14-19 (-65) beter is 22-28 32x23 14-20!25x14 10x28 33x22 17x28 31-27 13-18 44-40 05-10 40-34 (58)
30. 18-23 (-148) beter is 17-21 42-38 18-23 37-32 12-17 32-27 21x32 38x27 23-28 27-22 28-33 22x11 06x17 43-38 33x42 48x37 (-59)
35. 37-32 (29) beter is 29-24 28-32 37x28 22x33 40-34 16-21 20-15!(156)
39. 13-18 (-82) beter is 22-28 04x33 05-10 33x11 06x17 40-34 17-22 29-23 10-14 (9)

17. 28-23 18x29 18. 40-34 29x40 19. 33-28 22x33 20. 38x18 12x23 21. 50-45 08-12 22. 45x34 23-29 23. 34x14 04-09 24. 14x03 12-18 25. 03x21 16x47 26. 25-20 15x24 27. 35-30 24x35 28. 44-40 35x33 29. 37-32 26x28 30. 48-42 47x38 31. 43x01 33-38 32. 01-29