Task: Program Execution
Input (English): 5, Q, C, 3, x, 1, k
Output (English): [['5', 'Q', 'C', '3', 'x', '1'], ['5', 'Q', 'C', '3', 'x', 'k'], ['5', 'Q', 'C', '3', '1', 'k'], ['5', 'Q', 'C', 'x', '1', 'k'], ['5', 'Q', '3', 'x', '1', 'k'], ['5', 'C', '3', 'x', '1', 'k'], ['Q', 'C', '3', 'x', '1', 'k']]