The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+164x^31+301x^32+562x^33+411x^34+466x^35+440x^36+458x^37+349x^38+426x^39+206x^40+190x^41+69x^42+30x^43+12x^44+6x^45+3x^46+2x^47

The gray image is a code over GF(2) with n=144, k=12 and d=62.
This code was found by Heurico 1.11 in 0.188 seconds.