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

generates a code of length 74 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+134x^60+6x^62+295x^64+60x^66+466x^68+246x^70+512x^71+678x^72+1536x^73+376x^74+1536x^75+658x^76+512x^77+290x^78+420x^80+44x^82+233x^84+2x^86+134x^88+44x^92+8x^96+1x^116

The gray image is a code over GF(2) with n=296, k=13 and d=120.
This code was found by Heurico 1.16 in 7.23 seconds.