{{ 1,-1,0.07,0.1}{ 2,1,0.07,0.1}{ 3,2,0.07,0.1}{ 4,3,0.07,0.1}{ 5,4,0.07,0.1}{ 6,5,0.07,0.1}{ 7,6,0.07,0.1}{ 8,7,0.07,0.1}}