The generator matrix 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 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 2 1 1 1 1 1 0 1 1 2a+2 1 1 1 1 1 2 1 1 1 1 1 1 2a 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 2 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+2a+3 a 1 a^2+3a 0 3a^2+2 a^2+3a+3 2a^2+3a+3 3a^2+2a+2 2a^2+3 3a^2+2a+2 2a^2+3a+1 2a^2+3a+3 2a^2+a+3 2 3a^2+2a+2 2 2a^2+3 a+2 2a^2+3a+3 3a^2+3 a^2+a a^2+3a+1 2a a+2 a^2+3a+1 a^2+a+2 1 2a^2+2a+3 3a^2+3 1 2a^2+a a^2+3a+2 3a^2+3 3a^2+2a 1 a^2+3a+1 3a^2+3a+2 2a^2+2a+1 2a^2+2a 2a^2+a 1 0 2a+3 1 a^2+3a a+3 3a^2+a+1 a^2+3 3a^2 1 2 3a^2+a+2 a^2+3a+3 3a^2+1 a^2+2 a^2+1 1 3a 3a^2+3 a^2 2a^2+a+3 2a^2+a 2a^2+2 2a^2+2a+2 2a^2+2a+3 2a^2+1 2 2a 2a^2+3a+2 a^2+a+3 1 3a^2+a+2 a^2+2 1 1 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+2 2 2a^2+2a+2 2a 2a 2a^2+2a 2a+2 2 2a^2+2a+2 2a^2+2 2a^2+2a+2 2a^2+2a+2 2a^2+2 2a^2+2a 2 2a^2+2a 2a^2+2a+2 2a+2 2a+2 0 2a^2+2a 2 2a^2+2a 2a^2+2a 2a^2 0 2a 2a^2+2a+2 2a+2 0 0 2a 2 0 2 2a 2a^2+2 2a^2+2a 0 2 2a^2+2a+2 0 2a^2+2a 2a 2a^2 2a 2 2a+2 2a^2+2a+2 2a^2 2a 2a 0 2a^2+2 2a^2 0 2a^2 2a 2a^2+2a+2 0 2a+2 2a^2+2a 2a+2 2 2a 2 2a+2 2a^2+2 2a^2+2a 2a^2+2 2a 2a^2+2a 2a^2+2a+2 2a^2+2 2a^2+2 2 0 2a^2+2a+2 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 2a^2 2 0 2a^2+2a 2a 2 2a 2a^2+2a 2a^2+2 2 2a 2a+2 2a 2 2a^2+2a 2a^2+2a 2a+2 2 2a^2+2a 2a^2+2 2a^2+2a+2 2 2a^2 2a+2 2a^2+2a+2 2a+2 2a^2+2a 2a^2+2 0 0 0 2a+2 2a^2 2a 2a^2+2a 2a+2 2a^2+2a+2 2a^2+2 0 2a^2 2a^2+2a+2 2a^2+2a+2 0 2a^2+2 2a 2a^2+2a+2 2a 0 2 2a^2+2a+2 2a 2a^2 2a^2 2a+2 2a^2+2 2a^2+2 0 2a+2 2a+2 2 2a^2+2a+2 2a^2+2a 2a^2+2 2a^2+2 2a^2+2a 2 2a 2a 2a^2+2a+2 2a+2 2a^2+2a+2 2a^2+2 2a^2+2a 2a 2a^2+2a+2 2a+2 generates a code of length 94 over GR(64,4) who´s minimum homogenous weight is 630. Homogenous weight enumerator: w(x)=1x^0+280x^630+1120x^631+441x^632+2688x^637+5264x^638+8288x^639+721x^640+6720x^645+11032x^646+16576x^647+805x^648+12992x^653+21224x^654+29120x^655+686x^656+21952x^661+31024x^662+39648x^663+609x^664+12992x^669+17192x^670+19936x^671+308x^672+105x^680+49x^688+28x^696+70x^704+49x^712+91x^720+56x^728+42x^736+35x^744 The gray image is a code over GF(8) with n=752, k=6 and d=630. This code was found by Heurico 1.16 in 37.1 seconds.