Environment Division - Format

1 ENVIRONMENT DIVISION.
2? 
2 CONFIGURATION SECTION.
2.1 %Configuration Section Paragraphs
3? 
3 INPUT-OUTPUT SECTION.
3.1 %Input-Output Section Paragraphs

Configuration Section Paragraphs:

1? SOURCE-COMPUTER.
1.1? source-computer-entry
2? OBJECT-COMPUTER.
2.1? object-computer-entry
3? SPECIAL-NAMES.
3.1? special-names-entry

Input-Output Section Paragraphs:

1 FILE-CONTROL.
2+ 
2 file-control-entry
3? I-O-CONTROL.
3.1? 
3.1+ 
3.1 i-o-control-entry