SW := 1/80*v[4]*v[6]^6*v[5]^3+1/3200*v[4]*v[6]^10*v[5]+1/8*v[6]^2*v[5]^5*v[4]-\ 1/2*v[3]*v[6]^3*v[4]^2+1/2*v[6]^2*v[5]*v[4]^3-1/16*v[4]^2*v[6]^4*v[5]^2+v[6]*v [5]^2*v[1]-1/2*v[2]*v[6]^2*v[5]^3-v[2]*v[5]^2*v[4]+1/40*v[2]*v[6]^6*v[5]+v[2]^ 2+1/4*v[4]*v[6]^4*v[2]-1/80*v[6]^7*v[5]^2*v[3]+1/2*v[3]^2*v[6]^2*v[5]^2+1/8*v[ 3]*v[6]^3*v[5]^4+2*v[5]*v[4]*v[3]^2+3/8*v[5]^4*v[4]^2-1/640*v[4]^2*v[6]^8-2*v[ 2]*v[3]*v[6]*v[5]-v[3]*v[6]*v[5]^3*v[4]-1/64*v[5]^8+1/22528000*v[6]^16-1/20*v[ 4]*v[6]^5*v[3]*v[5]+1/2560*v[6]^8*v[5]^4-1/4*v[4]^4-v[3]*v[1]-1/20*v[6]^5*v[1] -1/35200*v[3]*v[6]^11+v[6]*v[3]^3-3/281600*v[6]^12*v[5]^2-1/64*v[5]^6*v[6]^4+1 /40*v[3]^2*v[6]^6;