The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1  1 a^6*X  1  1  1  1  1  1  1  1  1  1  1 a^2*X  X  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 a^2*X a^5*X  1  1  1  1 a^6*X  1  1  1  1  1  1  1  1  1  0  1 a^2*X  1  1  1  1  1  1 a^4*X  1  1  1  1  1 a^6*X  1  1  1  1 a^4*X  1  1  1  1  1  1  1  1  1  1  1 a^5*X
 0  1  0  1  a a^2 a^6*X+a^3 a^6*X+a^4 a^5 a^6 a^6*X a^6*X+1 X+a X+a^2  1 a^6*X+a^5  X a^5*X+1 a^5*X+a^3 a^6*X+a^2 a^4 a^6*X+a^6 a^4*X+a a*X+a^3 a^5*X+a^6 X+a^5  1  1 X+a^4 a^2*X a^4*X+a^2 a^2*X+a^5 a^5*X+a^6 a^4*X+a^3 a^2*X+1 a*X+a a^3*X+1 a*X+a^5 a*X a^6*X+a^6 X+a^3 a^2*X+a^4 a^4*X+a^6 a*X+a^2 a^3*X X+a^5  1  X a^6*X+a a^5*X+a^2 a^5*X+a^3 a^4*X+a^4  1 a*X+a^6 a^6*X+a^5 a^2*X+a a^6*X a^6*X+1 a^3 a^6*X+a^2 a^3*X+a^2 a^4*X+1  1 X+a  1 a^3*X+1 a*X+a^6 a^3*X a^3 a^4*X+a^3 a*X+a^5  1 a^2*X+a^2 a^5*X a^5*X+1 a^2 a^5*X+a^5  1 a^5*X+a^4 a^4*X+a^3 a^6*X+a^4 a^4*X+1  1 a^5*X+a^3  X a^2*X a^5*X+a^2 a^2*X+1 a^5*X+a^4  X a^5*X+a^5 a^4*X+a^4 a^4 X+1  1
 0  0  1 a^6  a a^4  1 a^5 a^3 a^2 a^3*X+1 a*X+a^5 a^6*X a^5*X+a^2 X+a^6 X+1 a^5*X+a^3 a^6*X+a a^5*X+a^6 a^5*X a^6*X+a^6 a^2*X+a^5 a^2*X+a^4 X+a a^4*X+a^3 a^3*X+a^2 a^4*X+a a^4*X+a^5 a*X+a^4 X+a^2 a^2*X+a^6 a^4*X+a^5 a^2*X+a X+a^4 a^5*X+a^4 a^2*X+1 a^2*X+a^2 a^6*X+a^4 X+a^6 a*X+1  X a^6*X+a^2  0 a^4*X+1 a*X a^5*X a^4*X+a^3  1 a^4*X+a^5 a*X+a^5 a^5 a*X+a^4 a^5*X+a^6 a^6*X+1 a^5*X+a^5 a*X+a^6 a^3*X+a^4 a^4*X+a a^3*X+1 a^4 a^3*X+a a^6*X+a^5  1 a^4*X X+a a^6 a^4*X+a^6 a^2*X+a^5 a^5*X+a^6 a^3*X+a^4 a*X+a^3 a*X+a^2 a*X+a X+a X+a^6 a^3*X+a^4 X+a^5 a^4*X+a a^6 a*X+a a^4*X+a^4 a^5*X+a a^4*X+1 a^2*X+a^6 a^6*X+a^5 a^4*X+a a^4*X+a^5 a^6*X+a^2 a*X+a^2 a^2*X+a^6 a^6*X+a a^2*X+a^3 a*X a^2 a^5*X+a^4

generates a code of length 95 over F8[X]/(X^2) who´s minimum homogenous weight is 646.

Homogenous weight enumerator: w(x)=1x^0+5208x^646+5936x^647+581x^648+728x^649+2352x^650+2072x^651+3752x^652+3136x^653+18368x^654+15176x^655+2184x^656+3808x^657+5376x^658+3752x^659+5880x^660+4256x^661+24920x^662+18704x^663+4060x^664+4536x^665+6384x^666+4200x^667+6552x^668+3584x^669+25648x^670+18760x^671+4298x^672+5264x^673+7392x^674+4312x^675+5320x^676+3360x^677+19040x^678+13104x^679+28x^680+42x^688+28x^696+21x^704+7x^712+14x^720

The gray image is a linear code over GF(8) with n=760, k=6 and d=646.
This code was found by Heurico 1.16 in 23.9 seconds.