API-653 requires that new vertical joints in adjacent shell courses not be in alignment. What is the minimum offset dimension of these joints?

Vertical joints shall be offset a minimum of 5 inches or 5t which ever is greater

Vertical joints shall be offset a minimum of 5t where t is the plate thickness of the thicker course at the point of offset

Vertical joints shall be offset a minimum of 5t where t is the plate thickness of the thinner course at the point of offset

Vertical joints shall be offset a minimum of 5 inches or 5t which ever is less