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  2  1  1  1  1  2  0  4  2  2  2  2  2  4  0  1  1  4  1  4  2  2  4  1  0  2  1  2  4  0  1  0  2  4  1  2  1  2  1  1  1  0  2  1
 0  2  0  0  0  2  6  2  0  0  0  0  2  2  4  2  6  4  6  0  6  6  4  2  6  4  0  0  6  0  6  0  6  4  4  6  6  2  6  0  2  6  6  0  2  2  4  0  6  2  4  2  6  4  2  0  2  2  2  4  0  2  4  0  2  2  2  0  0  6  0  4  2  6  2  0  6  2  2  0  0
 0  0  2  0  2  2  6  0  0  0  2  6  6  6  4  0  0  0  6  2  0  2  2  4  2  4  6  0  2  2  2  2  4  0  6  4  2  6  0  0  4  4  2  4  0  6  0  2  4  0  2  0  6  0  6  4  6  4  2  2  6  0  6  2  0  0  2  4  0  2  2  2  4  2  0  4  2  2  6  2  0
 0  0  0  2  2  0  6  2  0  6  2  4  0  2  0  2  0  2  4  6  4  2  0  6  4  2  0  4  6  0  4  2  2  6  2  0  6  0  6  4  6  2  2  2  6  4  2  6  0  2  2  4  0  6  4  4  0  6  0  4  2  4  2  4  0  0  2  6  2  2  4  0  0  0  0  2  0  0  2  2  0
 0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  4  0  4  0  0  4  4  4  4  4  4  4  0  0  0  0  4  0  4  4  0  0  4  4  0  4  4  4  0  0  4  4  4  4  0  4  4  0  4  0  4  0  4  0  4  4  4  4  4  0  0  0  0  4  4  0  0  0  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  4  4  4  0  0  4  4  4  4  4  0  4  0  4  0  0  4  0  0  4  0  4  4  4  0  4  4  0  4  4  4  0  4  0  4  4  0  4  4  4  4  4  4  4  0  0  4  0  4  0  0  4  0  0  0  0  4  0  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  0  0  0  4  4  4  4  0  0  0  4  0  4  4  0  0  4  0  4  4  4  4  4  0  4  4  4  4  4  0  0  0  4  0  4  4  0  0  4  0  4  0  4  4  0  0  0  4  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  0  4  4  4  4  4  4  0  0  4  4  4  0  4  4  4  0  4  4  4  4  4  4  0  4  4  4
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  4  0  4  0  0  4  0  4  4  4  0  4  0  0  0  4  4  0  0  4  0  0  0  4  0  0  4  4  4  0  4  0  4  4  4  4  4  0  4  4  0  0  4  4  0  4  0  0  0  0  4  4  0  0  4  4  0  4  0  0  4
 0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  0  4  4  4  4  4  4  4  0  4  4  4  4  0  4  0  4  0  0  4  4  0  4  0  0  0  4  0  4  0  0  4  0  4  0  0  4  0  4  0  4  4  0  0  4  4  4  0  0  4  4  0  4  0  0  0  0  4  0  4  0  4  0  0

generates a code of length 81 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+28x^66+40x^67+173x^68+228x^69+339x^70+408x^71+599x^72+712x^73+932x^74+1224x^75+1394x^76+1794x^77+2080x^78+2390x^79+2637x^80+2670x^81+2625x^82+2522x^83+2162x^84+1908x^85+1472x^86+1212x^87+889x^88+684x^89+525x^90+292x^91+269x^92+162x^93+148x^94+86x^95+46x^96+30x^97+31x^98+18x^99+16x^100+4x^101+9x^102+4x^104+3x^106+1x^108+1x^116

The gray image is a code over GF(2) with n=324, k=15 and d=132.
This code was found by Heurico 1.16 in 83.6 seconds.