Task: Program Execution
Input (English): [[68, -136, 36, -138, 9], [9, -66, -121, 73], [-136, -199, -26, -153, 89, -157], [-186, 9, 49, -184, -124], [87, 61, -46], [-50, -15, 12, -95, -154, 96, -13], [-198, -89, -163, -171, 0], [20, -37]]
Output (English): [68, 73, 89, 49, 87, 96, 0, 20]