The generator matrix

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

generates a code of length 76 over Z8 who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+211x^70+327x^72+354x^74+380x^76+301x^78+241x^80+147x^82+32x^84+30x^86+8x^88+11x^90+2x^94+2x^96+1x^104

The gray image is a code over GF(2) with n=304, k=11 and d=140.
This code was found by Heurico 1.16 in 0.414 seconds.