Diagram showing the orientation of the S-II's engines with respect to vehicle position. The engine numbering is basically the same as that of the S-IC stage:

Click image for a 1368x1193 pixel version of this image in a new window.
Adapted from page i of the J-2 Configuration Identification & Status Report, R-5788, located in the Thomson collection of the Dept. of Archives/Special Collections, M. Louis Salmon Library, University of Alabama in Huntsville.
Scan, cleanup, and adaptation by heroicrelics.org.