The generator matrix 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2a^2 1 1 1 1 1 1 1 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 a 3a^2+2 a^2+3a 1 0 2a^2+3a+1 3a^2+2a+3 2a^2+3 a^2+3a+3 3a^2+2 3a^2+2a+3 2a^2+3a+1 1 a^2+3a 1 a^2+3a+3 2a^2+3a+3 a^2+3a+1 3a^2+2a+2 a^2+3a+1 a^2+a 2 3a^2+2a 2a^2+3a+3 a 2a^2+3 0 a+2 1 2a^2+3 2a^2+3a+3 3a a^2+a+1 3a^2+a 2 2a^2+a+3 3a^2+3 a^2+3a+2 3a^2+3 2a^2+2a+3 1 2a^2+2a+1 3a+2 2 a 3a^2+1 1 3a^2+3 a^2+2a+2 a^2+2a+3 3a^2+1 2a+2 3a+2 2a^2+1 2a 3 a+2 3a^2+a a^2+3a+1 a^2 2a^2+3 0 0 0 2a^2+2 0 2 2 2a+2 2 2a^2 2a+2 2a^2+2 2a^2 2 2a^2+2a 2a^2+2a+2 0 2a^2+2a 2 2a 2a^2+2a+2 2a^2+2a+2 2a^2+2a 2 2a^2+2a+2 0 2a 2a 2a 2a^2+2a+2 2a^2+2a 2a^2 2a^2 2a^2+2a+2 0 2a^2+2 2a^2+2a+2 2a 0 2a^2 0 2a^2+2 2a^2+2a 2a 2a+2 2a^2+2a 2a 2a^2 2a^2+2a 2 0 2a^2+2 2a+2 2a+2 2a^2+2 2a^2+2a+2 2 2a+2 2a^2+2 2a^2 2a^2+2a 2a^2 2 2a^2+2a 0 2 2a+2 2 2a^2+2a+2 2a^2+2 0 0 0 0 0 2 2a^2+2 2a^2+2a+2 2a+2 2a^2 2a^2+2a+2 2a^2+2 2a^2+2 2a^2+2 2a^2+2a+2 2a+2 2a+2 2a^2 2a^2+2a+2 2a 2a^2 2a^2 2a^2+2a 2a 2 2 2a^2+2 2 2a^2+2 2a+2 2a^2 2 2a 2a+2 2 2a^2+2a 2 2a^2+2a+2 2 2 2a^2 2a^2+2a+2 2a^2+2a 2a^2+2a 2a+2 2a 2a+2 2a^2 2a+2 2 2a^2 2a^2+2a+2 2a^2+2a 0 2a^2+2a 2a^2 0 0 0 2a+2 2 2a^2+2a+2 2a^2 2a^2+2 0 2a^2+2 2a^2+2a+2 2a+2 2a 2a^2+2a+2 2a^2+2a+2 2 0 generates a code of length 71 over GR(64,4) who´s minimum homogenous weight is 464. Homogenous weight enumerator: w(x)=1x^0+42x^464+112x^466+903x^472+2016x^474+8820x^480+11032x^482+21588x^488+21336x^490+58541x^496+44632x^498+56483x^504+35560x^506+294x^512+238x^520+217x^528+182x^536+49x^544+56x^552+28x^560+14x^568 The gray image is a code over GF(8) with n=568, k=6 and d=464. This code was found by Heurico 1.16 in 17 seconds.