{{ 1,-1,0.011,0.002}{ 2,1,0.011,0.002}{ 3,2,0.011,0.002}{ 4,3,0.011,0.002}{ 5,4,0.011,0.002}{ 6,5,0.011,0.002}{ 7,6,0.011,0.002}{ 8,7,0.011,0.002}}