13 and a cubit from this and a cubit from that which is leftover in the length of the curtains of the tent, spread it over the sides of the tabernacle from this and from that, to cover it.
Exodus 26:13 Cross References - ECB
Exodus 26:2
2 the length of one curtain, twenty-eight cubits and the width of one curtain, four cubits - and everyone of the curtains has one measure:
Exodus 26:8
8 the length of one curtain, thirty cubits and the width of one curtain, four cubits; and the eleven curtains all of one measure: