The generator matrix

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

generates a code of length 73 over Z8 who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+38x^68+70x^69+183x^70+42x^71+240x^72+82x^73+136x^74+12x^75+53x^76+28x^77+88x^78+10x^79+16x^80+2x^81+4x^82+1x^84+2x^85+2x^88+8x^89+4x^90+1x^102+1x^104

The gray image is a code over GF(2) with n=292, k=10 and d=136.
This code was found by Heurico 1.16 in 0.207 seconds.