The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+119x^74+252x^75+404x^76+600x^77+637x^78+668x^79+703x^80+640x^81+660x^82+618x^83+543x^84+542x^85+421x^86+410x^87+324x^88+222x^89+162x^90+76x^91+60x^92+34x^93+42x^94+22x^95+12x^96+4x^97+7x^98+2x^99+1x^100+4x^101+2x^105

The gray image is a code over GF(2) with n=328, k=13 and d=148.
This code was found by Heurico 1.16 in 3.24 seconds.