1. The square problem

2. The zigzag square

3. The zigzag square with a hole

4. The lattice

5. Strange kind of square

6. Transformation of the figure

7. Make a square

8. Ìàëüòèéñêèé êðåñò

9. The star

10. Ôèãóðû è êâàäðàò

11. Three to one

12. Óäèâèòåëüíîå ïðåâðàùåíèå

13. Íà âîñåìü ÷àñòåé

14. Two figures

15. Intricate figures

16. The obstinate crosses