arr1: ARRAY[0..(1-1)] OF BYTE;
arr2: ARRAY[0..(1-1),0..(2-1)] OF BYTE;
uarr2: ARRAY[0..(1-1)] OF UBYTE;
uarr2: ARRAY[0..(1-1),0..(2-1)] OF UBYTE;
arr3: ARRAY[0..(1-1),0..(2-1),0..(3-1)] OF BYTE;
arr4: ARRAY[0..(1-1),0..(2-1),0..(3-1),0..(4-1)] OF BYTE;
arr5: ARRAY[0..(1-1),0..(2-1),0..(3-1),0..(4-1),0..(5-1)] OF BYTE;