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

generates a code of length 76 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+158x^66+12x^67+419x^68+64x^69+576x^70+136x^71+728x^72+388x^73+830x^74+408x^75+868x^76+452x^77+884x^78+360x^79+640x^80+172x^81+402x^82+44x^83+322x^84+12x^85+134x^86+111x^88+54x^90+14x^92+2x^94+1x^108

The gray image is a code over GF(2) with n=304, k=13 and d=132.
This code was found by Heurico 1.16 in 5.38 seconds.