Family Search Film number 708746

Can someone help me find matrimonios for Ocampo, Guanajuato - Iglesia de San Juan Bautista. This is the record I'm looking for https://familysearch.org/ark:/61903/1:1:JC3W-9LW . The matrimonios under Ocampo / San Juan Bautista don't start until 1866 / film 708754. I know it has to be in a different location, but I cannot figure out where. In Ocampo, films for Bautismos and Confirmaciones go up through 708744, so it's 708745 and 708746 that are missing.