  Blocks

  Blocks,          NumberBlocks      NumberBlocks     ｡
  [1]           (   )

  

  Blocks  (       )
 	 	  (  )
777	[SDR][TC][RS]	            ,     ,      21 ,            ｡
666	[SDR][RS][SS]	777   ,    ｡ 777           ｡666              , 777    ｡