Task: Program Execution
Input (English): r, B, q, 5, 5, j, a
Output (English): [['r', 'B', 'q', '5', '5', 'j'], ['r', 'B', 'q', '5', '5', 'a'], ['r', 'B', 'q', '5', 'j', 'a'], ['r', 'B', 'q', '5', 'j', 'a'], ['r', 'B', '5', '5', 'j', 'a'], ['r', 'q', '5', '5', 'j', 'a'], ['B', 'q', '5', '5', 'j', 'a']]