1Kgs 7:25
The Sea was placed on a base of twelve bronze oxen,*7:25 Hebrew 12 oxen; compare 2 Kgs 16:17, which specifies bronze oxen. all facing outward. Three faced north, three faced west, three faced south, and three faced east, and the Sea rested on them.
Ezek 43:16
The top of the altar is square, measuring 21 feet by 21 feet.*43:16 Hebrew 12 [cubits] [6.4 meters] long and 12 [cubits] wide.