array_00 = [1, 2, 3]                     
array_01 = [4, 5, 6]
array_02 = [7, 8, 9]
array_10 = [array_00, array_01, array_02]  
array_11 = [array_00, array_01, array_02] 
array_12 = [array_00, array_01, array_02] 
array_20 = [array_10, array_11, array_12]