Last month, state Superintendent Elsie Arntzen announced a bit of agency shuffling at a privately owned office building on the corner of 11th and Montana avenues in Helena, just a few blocks north of the Capitol complex. As part of Arntzen’s ongoing effort to shrink her agency’s physical footprint, the Office of Public Instruction vacated the space roughly a year ago. But negotiating an early exit from its lease, which was renewed for 10 years in 2016, proved to be a challenge.