Task: Program Execution
Input (English): [[21, -29, 97, -110, -171, -181], [65, -105], [-78, 66, -143], [-21, -89, 54, -79, 83], [-130, -50], [-64, 18, -15, -113, -7, 37, -29], [-62, -127, -112, -158], [-123, -15, -65, -171]]
Output (English): [97, 65, 66, 83, -50, 37, -62, -15]