The generator matrix 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 0 2 0 0 0 2 2 2 2a 0 2 2a 2a 2a 2a 2 2a 2a^2+2a+2 0 2 0 2a^2+2a 2a^2 2a^2+2a 2a^2 2a+2 2a^2 2a^2+2 2 2a+2 2a^2+2a 2a^2 0 2a^2 2a^2+2 2a 2a^2 2a^2 0 2a 0 2 2 2 2a^2+2a+2 2a^2 0 2a^2+2 2a^2 2a^2+2 2 2a^2+2a 2a^2 2 2a^2+2a+2 2a^2+2a 2a^2 0 0 0 2 0 0 2a^2+2 2a^2+2a+2 2a^2+2a 2a^2+2a 2 2a+2 2a^2+2 0 2 2a^2+2a+2 2a^2 2a 2a^2+2 2a 0 2a^2 2a 2a^2+2a+2 2a^2 2a+2 2a^2+2a 2a+2 2a^2+2a+2 2a^2+2 2a^2+2a+2 2a^2+2 2a^2+2a+2 2a^2+2a 2a^2+2a 2a 2a^2 2a^2+2a+2 2a^2+2 2a 2a^2+2 2 0 0 2a^2+2 2 2a^2+2 0 2a^2+2 2a^2+2 0 2a 0 2a^2+2 0 2a 2a 2a^2+2a+2 0 0 0 0 2 0 2 2a^2+2a+2 2a 2a+2 2a^2 2a^2+2 0 2a^2+2a+2 2 2a 2a^2+2a 2a^2+2a 2a^2+2a 2a^2+2a 2a 2 0 2 2 2a^2+2a+2 2a^2+2a+2 2a 0 2 2a^2+2a+2 0 2a+2 2a^2+2a 2a+2 2a^2+2a 2a+2 2a^2 2a^2+2 2 2a^2 0 2a^2+2a+2 2a^2+2 2a^2+2 2a^2 2 2a 2a^2+2 2a^2+2 2 2a^2+2a 2a^2+2a 2a^2+2a+2 2a^2+2 2 2a^2+2a 2 0 0 0 0 0 2 2a^2+2 2a+2 2a 2a^2+2a+2 2a 2a^2 2a^2 2a+2 0 2a 0 2a^2 2a^2+2a 2 2a+2 2a^2+2a 2a 2a+2 0 2a^2+2 2a^2+2a 2 0 2a^2 2a^2+2 2 2 2a+2 2 2 2a^2+2 2a^2 2a^2 2 2a^2+2a 2a^2+2a 0 2a^2+2a 2a^2+2a 2a^2+2a+2 2a^2+2a+2 2a+2 2a^2+2 2a^2+2 2a+2 0 0 0 2a 2a^2 2a 2a^2+2a 2a^2+2a generates a code of length 58 over GR(64,4) who´s minimum homogenous weight is 360. Homogenous weight enumerator: w(x)=1x^0+203x^360+1442x^368+2219x^376+2989x^384+448x^385+3661x^392+9408x^393+4263x^400+65856x^401+4396x^408+153664x^409+4683x^416+4179x^424+2835x^432+1393x^440+427x^448+77x^456 The gray image is a code over GF(8) with n=464, k=6 and d=360. This code was found by Heurico 1.16 in 36.8 seconds.