Task: Program Execution
Input (English): 8, 0, b, b, 8, 1, 6
Output (English): [['8', '0', 'b', 'b', '8', '1'], ['8', '0', 'b', 'b', '8', '6'], ['8', '0', 'b', 'b', '1', '6'], ['8', '0', 'b', '8', '1', '6'], ['8', '0', 'b', '8', '1', '6'], ['8', 'b', 'b', '8', '1', '6'], ['0', 'b', 'b', '8', '1', '6']]