Exodus 38:14-16

Young's Literal Translation

¹⁴ The hangings on the side [are] fifteen cubits, their pillars three, and their sockets three,

¹⁵ and at the second side at the gate of the court, on this and on that, [are] hangings, fifteen cubits, their pillars three, and their sockets three;

¹⁶ all the hangings of the court round about [are] of twined linen,