1 IDENTIFICATION 1 ID 2 DIVISION. PROGRAM-ID 3? . 4 program-name-1 5? IS 5.1 RECURSIVE 5.1 INITIAL 5.2? PROGRAM 6? . 7? identification-division-content 8? ENVIRONMENT DIVISION. environment-division-content 9? DATA DIVISION. data-division-content 10? PROCEDURE DIVISION. procedure-division-content 11? 11.0? 11.0+ 11.0 %Nested source program 11.1 END PROGRAM program-name-1. nested source program: 1 IDENTIFICATION 1 ID 2 DIVISION. PROGRAM-ID 3? . 4 program-name-2 5? IS 5.1 COMMON 5.1.1? INITIAL 5.1 INITIAL 5.1.1? COMMON 5.1.2? PROGRAM 6? . 7? identification-division-content 8? ENVIRONMENT DIVISION. environment-division-content 9? DATA DIVISION. data-division-content 10? PROCEDURE DIVISION. procedure-division-content 11? 11+ 11 %nested source program 12 END PROGRAM program-name-2.