The generator matrix 1 0 0 0 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 0 1 0 0 2 2 1 3 2 1 0 3 1 0 1 3 1 0 1 0 0 0 1 0 0 3 2 1 1 3 2 2 3 3 1 0 2 3 3 0 0 0 0 1 1 3 1 2 0 1 2 0 2 1 1 1 3 3 0 0 generates a code of length 20 over Z4 who´s minimum homogenous weight is 16. Homogenous weight enumerator: w(x)=1x^0+25x^16+42x^17+32x^18+26x^19+22x^20+28x^21+22x^22+20x^23+14x^24+10x^25+8x^26+2x^27+2x^28+2x^30 The gray image is a code over GF(2) with n=40, k=8 and d=16. This code was found by Heurico 1.16 in 0.00276 seconds.