• Beginner Exercise 1: 47356
• BE 005: 19238
• BE 010: 12582
• BE 020: 7062
• BE 030: 6240
• BE 040: 6869
• BE 050: 5324
• BE 060: 4251
• BE 070: 4317
• BE 080: 4665
• BE 090: 4001
• BE 100: 4132
• BE 120: 3165
• BE 140: 3229
• BE 160: 2704
• BE 180: 2659
• BE 200: 2785
• BE 220: 2327
• BE 240: 2393
• BE 260: 1788
• BE 280: 2688
• BE 300: 1270
• BE 320: 553
• BE 328: 56

No interpretation, the first pages were created 10 years ago, others quite recently.