Task: Program Execution
Input (English): [[-68, -146], [-144, -187, -188, 43, -177], [91, -149, -134, -36, -122, 44, -100], [-2, -79, 96], [46, -113, 85, -171], [-161, -74, 80, -33]]
Output (English): [-68, 43, 91, 96, 85, 80]