(21/3- 19/4)
(20/4- 20/5)
(21/5- 21/6)
(22/6- 22/7)
(23/7- 22/8)
(23/8- 22/9)
(23/9- 23/10)
(24/10- 21/11)
(22/11- 21/12)
(22/12- 19/1)
(20/1- 18/2)
(19/2- 20/3)
