The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  2  0  0  2  1  1  4  2  2  1  4  1
 0  2  0  0  0  0  0  0  0  0  2  4  6  2  2  6  0  2  4  0  6  4  2  2  0  4  4  2  2  2  2  6  4  4  2  2
 0  0  2  0  0  0  2  6  2  4  2  4  2  0  2  2  4  6  6  2  0  6  4  0  0  4  4  6  2  2  0  4  6  0  6  2
 0  0  0  2  0  2  2  2  4  6  0  6  4  0  2  6  4  0  2  0  0  2  6  4  2  0  4  4  2  2  2  0  0  4  6  6
 0  0  0  0  2  2  4  6  2  0  0  6  6  2  6  0  4  6  0  4  2  0  4  4  6  2  2  0  4  6  4  2  2  0  4  4
 0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  4  4  0  0  4  4  4  4  4  0  0  4  0  0  4  4  4  0  4  0  0

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

Homogenous weight enumerator: w(x)=1x^0+74x^29+135x^30+170x^31+239x^32+278x^33+407x^34+498x^35+507x^36+522x^37+414x^38+294x^39+195x^40+130x^41+117x^42+54x^43+17x^44+20x^45+14x^46+8x^47+1x^48+1x^54

The gray image is a code over GF(2) with n=144, k=12 and d=58.
This code was found by Heurico 1.16 in 10.2 seconds.