The generator matrix

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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+45x^30+32x^31+161x^32+130x^33+290x^34+384x^35+551x^36+826x^37+1220x^38+1898x^39+2395x^40+3148x^41+3494x^42+3546x^43+3547x^44+3108x^45+2460x^46+1940x^47+1201x^48+874x^49+552x^50+356x^51+277x^52+98x^53+112x^54+34x^55+49x^56+8x^57+14x^58+2x^59+9x^60+3x^62+1x^64+2x^66

The gray image is a code over GF(2) with n=172, k=15 and d=60.
This code was found by Heurico 1.16 in 30.7 seconds.