35m. Starts beside the large detatched block and follows the right trending line, passing to the right of an obvious block at the top

Voting
High IV
Mid IV
Low IV
High III
Mid III
Low III
High II/III
Mid II/III
Low II/III
High 5
Mid 5
Low 5
High 4
Mid 4
Low 4
High 3
Mid 3
Low 3