Burner

A multi-burner comprising:

• a base;
• a cover disposed on a top of the base and coupled to the base to define a mixing tube in which gas and air flow and are mixed with each other;
• and
• a head disposed on a top of the cover and configured to generate a flame,
• wherein the head includes:
• a first flame burner disposed in a central area of the head and having a plurality of first flame openings and arranged along a circumference of the central area;
• and
• a second flame burner disposed in an outer area of the head and provided adjacent to the first flame burner, wherein a plurality of second flame openings are provided in the second flame burner and are arranged along a circumference of the outer area,
• wherein the base, the cover, and the head are configured such that:
• the gas discharged from the mixing tube is divided into two portions flowing in opposite directions in an outer area of the body,
• the two portions of the gas flow through the cover, and
• one of the two portions flows into the second flame burner, while a remaining portion of the two portions flows from the outer area of the head to the central area thereof and flows into the first flame burner.