The generator matrix

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

generates a code of length 36 over Z8 who´s minimum homogenous weight is 31.

Homogenous weight enumerator: w(x)=1x^0+214x^31+277x^32+520x^33+322x^34+560x^35+378x^36+580x^37+308x^38+472x^39+196x^40+172x^41+34x^42+32x^43+10x^44+4x^45+8x^46+2x^47+2x^48+4x^49

The gray image is a code over GF(2) with n=144, k=12 and d=62.
This code was found by Heurico 1.16 in 31 seconds.