Across
- 1. - The number after five
- 2. - The number after four
- 3. - The number after two
- 4. - The first number
- 7. - The number after nine
Down
- 1. - The number after six
- 2. - The number after three
- 3. - The number after one
- 5. - The number after seven
- 6. - The number after eight