Task: Program Execution
Input (English): 8, V, 1, 3, 7, 3, 4
Output (English): [['8', 'V', '1', '3', '7', '3'], ['8', 'V', '1', '3', '7', '4'], ['8', 'V', '1', '3', '3', '4'], ['8', 'V', '1', '7', '3', '4'], ['8', 'V', '3', '7', '3', '4'], ['8', '1', '3', '7', '3', '4'], ['V', '1', '3', '7', '3', '4']]