7 0 0 3 0 -5 5 7 4 1 7 0 4 4 10 6 1 -22 8 7 7 7 Correct output: --------------- 0 0 0 0 -5 -10 -15 -20 7 7 7 7 7 4 14 24 34 44 54 1 -21 -43 -65 -87 -109 -131 -153 7 14 21 28 35 42 49