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

generates a code of length 90 over Z8 who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+50x^78+62x^79+141x^80+160x^81+244x^82+242x^83+325x^84+424x^85+447x^86+552x^87+584x^88+614x^89+625x^90+656x^91+568x^92+528x^93+430x^94+390x^95+276x^96+252x^97+152x^98+122x^99+98x^100+56x^101+65x^102+20x^103+42x^104+14x^105+25x^106+4x^107+8x^108+7x^110+4x^112+2x^114+1x^116+1x^126

The gray image is a code over GF(2) with n=360, k=13 and d=156.
This code was found by Heurico 1.16 in 7.38 seconds.