The generator matrix

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

generates a code of length 36 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+306x^29+770x^30+1176x^31+2023x^32+2714x^33+3280x^34+3942x^35+4056x^36+4122x^37+3708x^38+2680x^39+1840x^40+1140x^41+576x^42+262x^43+112x^44+32x^45+18x^46+4x^47+6x^49

The gray image is a code over GF(2) with n=144, k=15 and d=58.
This code was found by Heurico 1.16 in 15 seconds.