The generator matrix

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

generates a code of length 36 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+173x^28+56x^29+432x^30+456x^31+966x^32+1280x^33+1550x^34+2232x^35+1976x^36+2400x^37+1550x^38+1336x^39+944x^40+352x^41+410x^42+72x^43+152x^44+8x^45+26x^46+9x^48+2x^52+1x^60

The gray image is a code over GF(2) with n=144, k=14 and d=56.
This code was found by Heurico 1.16 in 5.66 seconds.