The generator matrix 1 0 0 1 1 1 1 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X generates a code of length 10 over Z2[X]/(X^2) who´s minimum homogenous weight is 2. Homogenous weight enumerator: w(x)=1x^0+22x^2+141x^4+456x^6+1650x^8+3652x^10+1650x^12+456x^14+141x^16+22x^18+1x^20 The gray image is a linear code over GF(2) with n=20, k=13 and d=2. This code was found by Heurico 1.16 in 0.0601 seconds.