Across
- 1. every second week
- 5. bike with one wheel
- 7. geometric shape with five sides
- 8. bike with three wheels
- 9. remain the same
- 11. series that contains three
Down
- 1. divide into two parts
- 2. at the same time
- 3. animal with eight arms
- 4. mythical creature with one horn
- 6. ability to speak two languages
- 10. a group of three