Task: Program Execution
Input (English): z, 0, 7, Z, J, Z
Output (English): [['z', '0', '7', 'Z', 'J'], ['z', '0', '7', 'Z', 'Z'], ['z', '0', '7', 'J', 'Z'], ['z', '0', 'Z', 'J', 'Z'], ['z', '7', 'Z', 'J', 'Z'], ['0', '7', 'Z', 'J', 'Z']]