n = 5,x = {8,10,11,10,7},y = {10,9,13,9,6}
n = 5,x = {8,10,5,10,11},y = {7,11,6,9,12}
n = 5,x = {9,11,10,13,14},y = {11,12,9,11,15}
n = 5,x = {9,12,12,6,7},y = {11,13,10,5,5}