I want to display a number in this format {101-1234567-001} and then {101-1234567-002} and so on as auto numbers how do i accomplish this 

Can someone help me creating a mock up/protptype  in sfdc for the following

Header :Contract              Copy of Contract    Product Type   Start Date     Primary   Term  Date Term  Invoice Status     Asset Register    
Values: 1111111111111    click here for PDF  Lease              1/8/2014       1/8/2017                   36      PAST DUE          view/update  export

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This is my scenario. I am using the Contracts object in my application. I do not want to show certain fields like status in my page. But it's a required only field . How do I work around this ?