4-rings or 4-squares puzzle: Revision history

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7 August 2022

6 August 2022

12 July 2022

11 July 2022

25 May 2022

10 May 2022

20 March 2022

26 December 2021

19 October 2021

18 October 2021

27 July 2021

14 June 2021

13 June 2021

25 May 2021

7 April 2021

26 March 2021

5 January 2021

27 October 2020

2 September 2020

31 August 2020

21 March 2020

13 March 2020

5 January 2020

11 November 2019

26 October 2019

24 August 2019

17 July 2019

25 June 2019

18 June 2019

4 June 2019

13 May 2019

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