The generator matrix 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 2 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 0 1 1 a 3a^2+2 2a^2+3a+1 a^2+3a a^2+3a+3 3a^2+2a+3 0 2a^2+3 a 3a^2+2 a^2+3a 3a^2+2a+3 2a^2+3a+1 a^2+3a+3 1 2 3a^2+3 a+2 a^2+3a+1 1 2a^2+2a+1 3a^2+2a+2 2a^2+a+1 a^2+a 2 2 2a^2+2a+3 1 a+2 a^2+a 3a^2+3 3a^2+2a+2 a+1 a^2+3a+1 a^2+1 2a+3 0 0 2a^2+2 2a 2 0 2a+2 2a^2+2a+2 2a^2+2a 2a^2 2a 2a^2+2a 2a+2 2 2a^2+2 2a^2+2a+2 2a^2 2a 2a^2+2 2a 2a^2+2a+2 0 2a^2+2 2a+2 2a^2+2a 2 2a^2 2a 2a^2+2a+2 2a^2 2a^2+2a 0 2a^2+2a 2 2a^2+2 2a 2a^2+2a 2a^2 2a^2+2a+2 generates a code of length 39 over GR(64,4) who´s minimum homogenous weight is 262. Homogenous weight enumerator: w(x)=1x^0+3920x^262+1680x^263+147x^264+7840x^270+2016x^271+252x^272+13328x^278+3472x^279+77x^280+7x^304+28x^312 The gray image is a code over GF(8) with n=312, k=5 and d=262. This code was found by Heurico 1.16 in 37.3 seconds.