Positional Flatfile Schema Creation

Hi

i had a positional flatfile Schema as below

RecordType 0 consist of 10 fields  many(occurence) Header(Tag identifier 0)

RecordType 1 consist of 12 fields  many (occurence) DetailTag identifier 1)

RecordType 2 consist of 12 fields  0    (occurence)   Detail(Tag identifier 2)

RecordType 7 consist of 9 fields   many(occurence) Trailer(Tag identifier 7)

RecordType C consist of 6 fields    1(occurence) Trailer(Tag identifier C)

How to create Schema for the Above requirement( Tag identifier 0)

i have tried creating But Failed in Validating Instance Against sample input file

with errors like

Thanks

Madhusudhan

munna