What are the B-Cubed level codes

Access Codes to B-Cubed (30 levels):
Level 1: 770838
Level 2: 968549
Level 3: 865087
Level 4: 508908
Level 5: 255277
Level 6: 331673
Level 7: 854115
Level 8: 329394
Level 9: 120091
Level 10: 219077
Level 11: 575900
Level 12: 447660
Level 13: 644386
Level 14: 440356
Level 15: 729049
Level 16: 443245
Level 17: 541043
Level 18: 800886
Level 19: 839654
Level 20: 305883
Level 21: 259205
Level 22: 279516
Level 23: 833955
Level 24: 515118
Level 25: 182740
Level 26: 752999
Level 27: 773310
Level 28: 859647
Level 29: 135636
Level 30: 676534