Exodus 27:16

The gate of the courtyard shall be twenty cubits long, with a curtain embroidered with blue, purple, and scarlet yarn, and finely spun linen. It shall have four posts and four bases.

Note 20 cubits is approximately 30 feet or 9.1 meters.

And for the gate of the court shall be an hanging of twenty cubits, of blue, and purple, and scarlet, and fine twined linen, wrought with needlework: and their pillars shall be four, and their sockets four.

For the gate of the court shall be a screen of twenty cubits, of blue, and purple, and scarlet, and fine twined linen, the work of the embroiderer; their pillars four, and their sockets four.

And for the gate of the court shall be a screen of twenty cubits, of blue, and purple, and scarlet, and fine twined linen, the work of the embroiderer; their pillars four, and their sockets four.