15 February 1972

↓

15 March 1972

16 March 1972

↓

13 April 1972

14 April 1972

↓

13 May 1972

14 May 1972

↓

11 June 1972

12 June 1972

↓

11 July 1972

12 July 1972

↓

9 August 1972

10 August 1972

↓

8 September 1972

9 September 1972

↓

7 October 1972

8 October 1972

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6 November 1972

7 November 1972

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5 December 1972

6 December 1972

↓

4 January 1973

5 January 1973

↓

2 February 1973