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

generates a code of length 98 over Z8 who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+60x^88+76x^89+120x^90+136x^91+172x^92+244x^93+208x^94+322x^95+355x^96+306x^97+338x^98+344x^99+249x^100+260x^101+215x^102+130x^103+140x^104+76x^105+92x^106+54x^107+28x^108+40x^109+38x^110+26x^111+10x^112+22x^113+10x^114+8x^115+7x^116+2x^118+2x^119+2x^120+2x^123+1x^150

The gray image is a code over GF(2) with n=392, k=12 and d=176.
This code was found by Heurico 1.16 in 2.07 seconds.