2021
	    -  ,  
	      (-2020, -2020,
	-2020, -2021, -2021)
	(   1  01  2022 )
	            2021             -  ,         (-2020, -2020, -2020, -2021, -2021)   : 
	1.                1.
	2.              2022     2.
	3.                     2022     3.
  
      
