{{ 1,-1,0.05,0.03}{ 2,1,0.05,0.03}{ 3,2,0.05,0.03}{ 4,3,0.05,0.03}{ 5,4,0.05,0.03}{ 6,5,0.05,0.03}{ 7,6,0.05,0.03}{ 8,7,0.05,0.03}}