matrix := [ [0*Z(25),Z(25)^24,0*Z(25),0*Z(25),0*Z(25),0*Z(25)], [Z(25)^12,0*Z(25),0*Z(25),0*Z(25),0*Z(25),0*Z(25)], [0*Z(25),0*Z(25),0*Z(25),0*Z(25),Z(25)^24,0*Z(25)], [0*Z(25),Z(25)^24,Z(25)^11,Z(25)^23,Z(25)^8,Z(25)^12], [0*Z(25),0*Z(25),Z(25)^12,0*Z(25),0*Z(25),0*Z(25)], [Z(25)^12,Z(25)^23,Z(25)^23,Z(25)^15,Z(25)^6,Z(25)^11] ];