The generator matrix

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

generates a code of length 76 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+100x^72+156x^73+226x^74+116x^75+131x^76+16x^77+48x^78+12x^79+42x^80+40x^81+54x^82+32x^83+34x^84+12x^85+2x^88+1x^96+1x^100

The gray image is a code over GF(2) with n=304, k=10 and d=144.
This code was found by Heurico 1.11 in 0.237 seconds.