Code:
field1,field2,field3,field4,fieldstart,field1,field2,field3,field4,fielddone
field1,field2,field3,field4,fieldstart,field1,field2,field3,field4,fielddone
field1,field2,field3,field4,fieldstart,field1,field2,field3,field4,fielddone
field1,field2,field3,field4,fieldstart,field1,field2,field3,field4,fielddone
field1,field2,field3,field4,fieldstart,field1,field2,field3,field4,fielddone