{{ 1,-1,0.003,0.007}{ 2,1,0.003,0.007}{ 3,2,0.003,0.007}{ 4,3,0.003,0.007}{ 5,4,0.003,0.007}{ 6,5,0.003,0.007}{ 7,6,0.003,0.007}{ 8,7,0.003,0.007}}