In the following problem, which constraint is redundant?

Max: 3X1 + 2X2
Subject to: 3X1 + 3X2 ≤ 300
Constraint 1: 6X1 + 3X2 ≤ 480
Constraint 2: 3X1 + 3X2 ≤ 480
Constraint 3: X1 , X2 ≥ 0