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

generates a code of length 77 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+144x^60+371x^64+6x^66+562x^68+146x^70+917x^72+636x^74+5558x^76+4964x^78+1262x^80+350x^82+700x^84+42x^86+412x^88+214x^92+73x^96+22x^100+3x^104+1x^128

The gray image is a code over GF(2) with n=308, k=14 and d=120.
This code was found by Heurico 1.16 in 27.6 seconds.