The generator matrix 1 0 0 1 1 1 1 1 1 1 1 1 1 1 2a+2 1 1 0 1 2a+2 1 1 1 1 1 1 0 1 1 1 1 1 1 1 2 1 2 1 1 1 1 2a+2 1 2 1 1 2 1 1 1 1 1 1 0 1 1 1 1 2 1 2a+2 1 1 1 0 1 0 0 2 2a+2 1 3a+2 3a+3 1 2a+3 a+1 2a+3 a 1 a+1 3a+3 1 3a+2 1 a 3a+3 2a+2 3 3a+1 2a+3 1 2a+1 3a+2 a+3 a 2a+1 2 2 2a+2 a+3 1 3a+3 0 a+3 3 1 a 1 0 3 1 3a+1 2a+2 0 2 2a+1 3a+1 1 2a+3 3a 3a+2 2a+3 1 3a+1 1 a+1 a+2 3 0 0 1 1 3a+2 3a+3 3 2a+3 2a+1 3a+3 a a 0 3a a+3 2a a+3 2a+3 3a+1 a+2 2 2a+1 a+2 2 3a+2 a+3 2 2a+3 1 a+1 a+1 a+2 a+2 3a+1 1 0 a+2 1 2a a 2a+1 2a+1 0 a+1 3 a+2 3a+2 2a a+2 3 a+1 2 a+1 2a+2 a 2a 3a+1 a+2 2a+3 3a 2a+2 a+3 1 2a+3 0 0 0 2a+2 0 0 2a+2 2a+2 2a+2 2 2 2a+2 2a 2a+2 2a 0 2 2 0 0 2 0 2a 2a+2 2a 0 2a 2 2 0 2a 2a+2 2 2a 2 2 2a 2a 2 0 2a 2a+2 0 2a+2 2 0 2a+2 2a+2 2a+2 0 2 0 2a+2 2a+2 0 2a+2 2a 2 0 2 2a 2 2 2a generates a code of length 64 over GR(16,4) who´s minimum homogenous weight is 180. Homogenous weight enumerator: w(x)=1x^0+351x^180+324x^181+288x^182+276x^183+1197x^184+972x^185+696x^186+312x^187+1542x^188+960x^189+696x^190+276x^191+1293x^192+852x^193+516x^194+300x^195+1275x^196+672x^197+468x^198+216x^199+927x^200+528x^201+276x^202+108x^203+447x^204+204x^205+132x^206+48x^207+120x^208+96x^209+6x^212+6x^216+3x^220 The gray image is a code over GF(4) with n=256, k=7 and d=180. This code was found by Heurico 1.16 in 1.16 seconds.