Link to Practice Solutions

1. Classic (Thomas Snyder)

Answer: 698742315, 875941623

2. Classic (Thomas Snyder)

Answer: 928416537, 628913457

3. Classic (Thomas Snyder)

Answer: 738649215, 275314986

4. Classic (Thomas Snyder)

Answer: 459867213, 186352947

5. Tight Fit (Thomas Snyder)

Answer: 718469325, 359184267

6. Diagonal (Wei-Hwa Huang)

Answer: 753186924, 267894135

7. Killer (Wei-Hwa Huang)

Answer: 349875621, 637491825

8. Consecutive (Thomas Snyder)

Answer: 379416258, 493162857

9. Even/Odd (Wei-Hwa Huang)

Answer: 685327194, 321657948

10. Irregular (Thomas Snyder)

Answer: 439586712, 537891624

11. Staircase (Wei-Hwa Huang)

Answer: 679458312, 375698214

12. Isodoku (Thomas Snyder)

Answer: 56742318, 53682714

13. Binary (Wei-Hwa Huang)

Answer: 507243, 730524

Answer: 101000111020100011, 111011000101010100

14. Tile (Thomas Snyder)

Answer: 396274581, 185963472

15. Dynasty (Thomas Snyder)

Answer: 65-1347-2, 13-725-46

16. Arrow (Thomas Snyder)

Answer: 952763481, 436529817

17. Thermo (Thomas Snyder)

Answer: 935678214, 417865329

18. Seek-and-Spell (Thomas Snyder)

Answer: MHTOAIDEN, AMEHNITOD

19. Triple Double (Thomas Snyder)

Answer: 561483792, 495178362

20. Property (Wei-Hwa Huang)

Answer: 657813294, 124976358