Format 1: data description entry

1 level-number
2? 
2 data-name-1
2 FILLER
3? redefines-clause
4? blank-when-zero-clause
5? external-clause
6? global-clause
7? group-usage-clause
8? justified-clause
9? occurs-clause
10? picture-clause
11? sign-clause
12? synchronized-clause
13? usage-clause
14? value-clause
15? date-format-clause