The generator matrix 1 0 0 0 1 1 1 1 1 1 1 1 1 2 1 2a+2 1 1 1 1 2a+2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2a+2 1 1 1 2a+2 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 2a 1 1 2a+2 2a 0 1 2 1 1 2 1 1 0 1 0 0 2 2a+2 2 2a 2a+2 2a+3 a a+2 2a+1 1 3a+2 1 3a+2 a+1 3a+1 a+2 1 3a+1 2 2a+1 1 3a 3a a 3a+3 2a+1 2a+3 a+1 a 0 0 1 3a+3 2 2a+3 2a+2 1 2a 1 a 3a+1 3a+1 3a 3a+3 3a+1 3 1 a+1 3a+3 a+2 a+2 2a 1 0 3a+2 0 1 1 2a+1 1 a+3 2a+3 1 a+3 2a 0 0 1 0 2a+3 2 a 0 2a 3a+3 3a+1 2a+2 2a+2 1 3a+1 a+1 a+3 a+3 a+2 1 3a+2 3a+2 3 2a+1 2 3a+2 3a+3 0 2 3a+3 a+2 3a+1 2a+1 a+3 a+2 3a 3a+2 a+1 2a+1 1 2a+3 3a a+2 a 0 2a+3 2a a+3 1 2a+2 1 3 2a 2a+3 a 1 2a+2 a+1 a 1 2a+1 0 a+1 a+3 3a+3 3a a+2 a+3 0 0 0 0 1 3a+3 2a+3 3a+1 a a+1 a+3 a+3 3a a+2 1 3 3a 2 2a+1 a+2 a+3 2a+3 2a+2 3a+2 3a+2 1 a 3a+2 2a 2a+2 2a 2a 3a+2 2 a+2 2a+1 3a+3 a+1 2a+3 1 2a+1 a+1 a+2 3a+3 3 a+3 3a 1 a+3 2 2a+2 2a+2 3 3a 1 3a+3 a+2 a+3 2a 2a+2 a+1 1 2a 3a+3 a+3 a 3a+1 2a+3 3a+3 a+1 generates a code of length 69 over GR(16,4) who´s minimum homogenous weight is 191. Homogenous weight enumerator: w(x)=1x^0+384x^191+423x^192+180x^193+816x^194+1884x^195+1983x^196+708x^197+1800x^198+3240x^199+3189x^200+1068x^201+2220x^202+4368x^203+3657x^204+1104x^205+2880x^206+4536x^207+4446x^208+1224x^209+2556x^210+4644x^211+3663x^212+972x^213+1992x^214+3552x^215+2406x^216+660x^217+1092x^218+1584x^219+951x^220+192x^221+432x^222+384x^223+225x^224+36x^225+36x^226+42x^228+3x^232+3x^240 The gray image is a code over GF(4) with n=276, k=8 and d=191. This code was found by Heurico 1.16 in 20.4 seconds.