Link to Practice Solutions

PART 1 - Classics

1. Classic (Thomas Snyder)

Answer: 781649253, 316472859

2. Classic (Thomas Snyder)

Answer: 825937461, 726985341

3. Classic (Thomas Snyder)

Answer: 481637529, 627431589

4. Classic (Thomas Snyder)

Answer: 261758943, 548693271

5. Diagonal (Wei-Hwa Huang)

Answer: 947826513, 189734625

6. Killer (Thomas Snyder)

Answer: 613847259, 157324986

7. Growing (Wei-Hwa Huang)

Answer: 3124

Answer: 651432

Answer: 63428517

Answer: 734692518, 156784932

8. Nonconsecutive (Thomas Snyder)

Answer: 973146852, 692574138

9. Even/Odd (Wei-Hwa Huang)

Answer: 249573168, 964821573

10. Irregular (Thomas Snyder)

Answer: 179823465, 413759286

PART 2 - Variations

1. Staircase (Wei-Hwa Huang)

Answer: 693284157, 867945321

2. Tight Fit (Thomas Snyder)

Answer: 691578243, 136572894

3. Isodoku (Thomas Snyder)

Answer: 34216758, 21435867

4. Arrow (Thomas Snyder)

Answer: 342659871, 967813542

5. Thermo (Thomas Snyder)

Answer: 572194863, 846215793

6. Pinwheel (Wei-Hwa Huang)

Answer: 163827954, 956412837

7. Property (Wei-Hwa Huang)

Answer: 928316475, 371542698

8. Triple Double (Thomas Snyder)

Answer: 562419387, 563142879

9. Inner Frame (Wei-Hwa Huang)

Answer: 652971834, 328547196

10. Braille (Wei-Hwa Huang)

Answer: 634712985, 452137869