$VAR1 = [ # changed '{' to '['
         { 
               'x' => '13', 
               'y' => '2', 
               'z' => '41', 
         }, 
         { 
               'x' => '6', 
               'y' => '6', 
               'z' => '22' 
         } 
] # changed '}' to ']'