Link to Practice Solutions

PART 1 - Classics

1. Classic (Wei-Hwa Huang)

Answer: 561237489, 839651724

2. Classic (Wei-Hwa Huang)

Answer: 561247983, 615798432

3. Classic (Wei-Hwa Huang)

Answer: 421756398, 342671985

4. Classic (Wei-Hwa Huang)

Answer: 217496583, 145387926

5. Tight Fit (Wei-Hwa Huang)

Answer: 451836279, 658749123

6. Diagonal (Wei-Hwa Huang)

Answer: 341265879, 438156927

7. Consecutive (Wei-Hwa Huang)

Answer: 614872539, 965721483

8. Irregular (Wei-Hwa Huang)

Answer: 574912683, 941375862

9. Even/Odd (Wei-Hwa Huang)

Answer: 429615387, 935128746

10. Killer (Wei-Hwa Huang)

Answer: 378126945, 429731658

PART 2 - Variations

1. Staircase (Wei-Hwa Huang)

Answer: 937821645, 563218479

2. Tile (Wei-Hwa Huang)

Answer: 962871534, 871453962

3. Dynasty (Wei-Hwa Huang)

Answer: -16-34725, -6-543172

4. Outside (Wei-Hwa Huang)

Answer: 571243968, 732564891

5. Thermo (Wei-Hwa Huang)

Answer: 671934852, 467582913

6. Arrow (Wei-Hwa Huang)

Answer: 814593627, 173982456

7. Trinary (Wei-Hwa Huang)

Answer: 680312574, 504861723

Answer: 202200100102122111, 120011222001210210

8. Hexagon (Wei-Hwa Huang

Answer: 967358241, 674539812

9. Triple Double (Wei-Hwa Huang)

Answer: 896324571, 523679148

10. Seek-and-Spell (Wei-Hwa Huang)

Answer: ABEFGCHDI, FABHEGDIC