ssss[' j1r;:["s:[s[i]-s[i%3]for i in range(9)]"m"x:(x[1]*(x[5]*x[6]-x[3]*x[8])+x[2]*(x[3]*x[7]-x[4]*x[6])+x[0]*(x[4]*x[8]-x[5]*x[7]))/6"m]