COOL: All 01 level items are aligned on double word boundary - Proof

The below simple program proves that all the 01 level items are aligned on double word boundary

WORKING-STORAGE SECTION.

01 A PIC X(3) VALUE 'AAA'.

01 B PIC X(3) VALUE 'BBB'.

01 C PIC 9(2) VALUE 9.

PROCEDURE DIVISION.

DISPLAY A(1:C)

Output

----+----1

AAA      B

You can see that variable "A" takes up 8 positions and value of variable "B" starts in the 9th position.