And when... tent. — Literally, And (so) those lepers came to the edge of the camp, and they went into one tent, taking up the thread of the narrative again at 2 Kings 7:5, where it was broken by the parenthesis about the panic flight of the Syrians.
Went and hid it. — A common practice of Orientals, with whom holes in the ground or in the house wall supply the place of banks.