Format 4: PERFORM statement with VARYING phrase 1 PERFORM 2 procedure-name-1 2.1? 2.1.0 THROUGH 2.1.0 THRU 2.1.1 procedure-name-2 2.1.2 %phrase 1 2.1.3 %phrase 2 2 %phrase 1 2.1 imperative-statement-1 END-PERFORM phrase 1 1? WITH 1.1 TEST 1.2 BEFORE 1.2 AFTER 2 VARYING 3 identifier-2 3 index-name-1 4 FROM 5 identifier-3 5 index-name-2 5 literal-1 6 BY 7 identifier-4 7 literal-2 8 UNTIL condition-1 phrase 2 1+ 1 AFTER 1.1 identifier-5 1.1 index-name-3 1.2 FROM 1.3 identifier-6 1.3 index-name-4 1.3 literal-3 1.4 %phrase 3 phrase 3 1 BY 2 identifier-7 2 literal-4 3 UNTIL condition-2