Headers:      Strand Type Pos Length Form Adjustment
Strand index: 0
Type index:   1
Pos index:    2
Headers:      ID Strand Type Pos Length Form Adjustment
Strand index: 1
Type index:   2
Pos index:    3
Headers:      Strand XXX Type Pos Length Form Adjustment
Strand index: 0
Type index:   2
Pos index:    3
Headers:      Pos Type Length Strand Form Adjustment
Strand index: 3
Type index:   1
Pos index:    0