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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 77.

Homogenous weight enumerator: w(x)=1x^0+32x^77+93x^78+98x^79+194x^80+218x^81+244x^82+330x^83+389x^84+494x^85+529x^86+542x^87+647x^88+666x^89+674x^90+634x^91+502x^92+432x^93+328x^94+314x^95+189x^96+162x^97+125x^98+106x^99+86x^100+34x^101+27x^102+22x^103+31x^104+10x^105+20x^106+2x^107+6x^108+6x^110+2x^112+1x^114+1x^116+1x^126

The gray image is a code over GF(2) with n=356, k=13 and d=154.
This code was found by Heurico 1.16 in 7.39 seconds.