Task: Program Execution
Input (English): 5, Q, b, J, u, r, 2
Output (English): [['5', 'Q', 'b', 'J', 'u', 'r'], ['5', 'Q', 'b', 'J', 'u', '2'], ['5', 'Q', 'b', 'J', 'r', '2'], ['5', 'Q', 'b', 'u', 'r', '2'], ['5', 'Q', 'J', 'u', 'r', '2'], ['5', 'b', 'J', 'u', 'r', '2'], ['Q', 'b', 'J', 'u', 'r', '2']]