The generator matrix

 1  0  1  1  1  0  1  1  0  1  0  1  1  2  1  2  1  1  1  6  1  1  1  6  4  1  1  6  1  1  1  4  1  1  0  1  1  1  1  2  1  0  1  2  1  0  1  1  1  2  4  1  1  1  6  1  1  1  1  0  1  1  6  2  1  1  0  2  1  1  2  6  6  1  1  2  0  4  2  1  1  1  1  2  1  2  1  4  1  4  2  0  2  2  0  1  2  1
 0  1  1  0  3  1  0  3  1  4  1  7  3  1  6  1  2  1  2  1  5  6  5  1  1  6  1  1  2  2  4  1  3  5  1  4  1  7  5  1  5  1  4  1  3  1  7  1  0  1  1  4  1  2  1  2  4  0  3  1  1  4  1  1  2  3  1  1  6  1  4  1  1  3  7  1  2  1  4  5  1  1  4  0  3  1  5  2  0  0  2  1  6  0  1  3  0  0
 0  0  2  0  2  0  2  0  6  2  2  0  6  2  2  4  0  4  6  6  4  4  6  0  2  2  4  0  0  2  0  4  6  4  2  6  4  6  2  4  6  4  2  6  6  4  6  0  6  2  0  0  2  0  6  0  2  6  4  6  6  2  0  0  4  2  6  6  4  0  2  0  0  0  4  4  6  2  2  2  6  0  2  2  0  2  4  2  2  2  4  2  2  2  2  4  2  0
 0  0  0  2  2  6  2  0  0  0  2  6  4  4  6  2  6  6  4  6  0  0  6  4  4  2  6  4  0  4  2  2  2  4  6  2  2  4  4  2  2  4  4  4  2  4  0  0  6  6  4  4  2  0  4  2  4  0  2  6  6  4  4  0  6  6  4  6  0  2  6  0  2  6  2  6  0  4  6  4  4  6  6  2  6  0  4  4  6  6  6  2  2  6  2  4  2  0
 0  0  0  0  4  0  0  0  0  0  0  4  0  4  0  4  4  4  0  4  4  0  0  4  4  4  0  0  4  0  0  4  0  4  0  0  4  4  0  0  0  4  4  4  0  4  4  0  4  0  4  4  0  4  4  0  0  0  4  0  4  0  4  4  0  4  0  0  0  0  0  0  0  4  4  4  4  4  4  4  0  4  0  0  0  0  0  4  0  4  4  0  0  0  4  4  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  4  4  0  4  4  4  4  4  4  4  0  4  4  4  4  0  4  0  4  4  0  4  0  0  4  4  4  0  0  4  4  0  4  0  0  4  4  4  4  0  0  0  4  0  4  0  0  0  0  4  0  0  4  4  4  4  0  0  0  0  4  4  0  4  4  4  4  4  4  4  0  0  4  4  0  4  4  4  4  0
 0  0  0  0  0  0  4  0  0  4  0  4  4  4  0  4  0  0  0  0  4  0  4  0  0  4  4  0  4  0  4  4  0  4  4  0  0  4  4  4  0  0  4  0  4  0  0  0  4  0  4  4  4  0  0  0  0  4  4  4  0  0  4  0  0  4  4  0  0  0  4  0  4  4  4  0  4  0  0  4  4  4  0  4  4  4  4  0  0  0  0  0  0  0  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  4  4  0  4  4  0  0  4  0  0  4  0  4  0  0  0  0  4  4  0  4  4  4  4  4  0  4  4  4  0  0  4  0  4  0  0  4  4  4  0  4  4  0  0  4  4  4  0  0  4  0  0  0  4  0  4  4  4  4  4  0  0  4  4  0  4  0  0  0  0  4  4  4  4  0  4  4  0  0  0  0  0  0  4  4  0
 0  0  0  0  0  0  0  0  4  0  4  0  0  4  4  0  4  4  4  0  0  0  0  4  0  4  4  0  0  4  4  0  4  0  0  4  4  0  4  0  0  0  0  4  4  0  4  4  0  0  4  4  4  0  4  4  0  4  4  4  4  0  4  4  4  4  0  4  4  4  0  4  4  4  0  4  4  4  4  4  4  0  0  4  4  4  4  4  0  0  0  4  0  0  0  4  0  0

generates a code of length 98 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+66x^84+64x^85+194x^86+250x^87+482x^88+682x^89+797x^90+980x^91+1273x^92+1570x^93+1913x^94+2086x^95+2311x^96+2624x^97+2406x^98+2590x^99+2294x^100+2090x^101+1878x^102+1610x^103+1295x^104+862x^105+765x^106+532x^107+370x^108+234x^109+173x^110+118x^111+74x^112+56x^113+49x^114+26x^115+20x^116+10x^117+10x^118+5x^120+6x^122+1x^124+1x^130

The gray image is a code over GF(2) with n=392, k=15 and d=168.
This code was found by Heurico 1.16 in 77.6 seconds.