The generator matrix

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

generates a code of length 33 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+48x^20+144x^22+12x^23+235x^24+112x^25+401x^26+548x^27+710x^28+1728x^29+2147x^30+3512x^31+4471x^32+4512x^33+4497x^34+3592x^35+2214x^36+1728x^37+731x^38+508x^39+396x^40+112x^41+219x^42+20x^43+98x^44+49x^46+16x^48+3x^50+2x^52+1x^54+1x^56

The gray image is a code over GF(2) with n=132, k=15 and d=40.
This code was found by Heurico 1.16 in 16.4 seconds.