The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+82x^68+318x^70+314x^72+368x^74+249x^76+368x^78+213x^80+94x^82+31x^84+1x^86+2x^90+4x^92+1x^100+1x^102+1x^108

The gray image is a code over GF(2) with n=300, k=11 and d=136.
This code was found by Heurico 1.16 in 0.36 seconds.