matrix := [ [0*Z(9),Z(9)^8,0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9)], [Z(9)^4,0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9)], [0*Z(9),0*Z(9),0*Z(9),0*Z(9),Z(9)^8,0*Z(9),0*Z(9),0*Z(9)], [0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9),Z(9)^8,0*Z(9),0*Z(9)], [0*Z(9),0*Z(9),Z(9)^4,0*Z(9),0*Z(9),0*Z(9),0*Z(9),0*Z(9)], [0*Z(9),0*Z(9),0*Z(9),Z(9)^4,0*Z(9),0*Z(9),0*Z(9),0*Z(9)], [0*Z(9),0*Z(9),0*Z(9),Z(9)^1,0*Z(9),Z(9)^3,Z(9)^1,Z(9)^3], [0*Z(9),0*Z(9),0*Z(9),Z(9)^6,0*Z(9),Z(9)^8,Z(9)^8,Z(9)^5] ];