The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  1  1  1  1  1  1  3  1  1  1  1  1  3  1  1  1  1  1  3  3  1  1
 0  3  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  3  6  3  3  3  3  6  3  3  6  3  3  3  6  6  3  0  3  3  3  0  6  6  3  3  3  0  0
 0  0  3  0  0  0  0  0  0  0  0  0  0  0  0  6  3  6  3  3  6  0  0  3  6  0  3  6  3  6  3  0  6  6  0  6  3  0  6  6  6  3  6  0  0  3  0  6  0
 0  0  0  3  0  0  0  0  0  0  0  0  3  3  3  0  6  6  6  0  6  6  6  3  6  0  6  3  3  3  3  3  6  0  0  0  6  6  6  0  3  3  6  6  6  0  6  0  6
 0  0  0  0  3  0  0  0  0  0  3  3  6  6  6  0  6  6  6  3  3  6  3  3  6  3  6  6  6  0  0  3  0  0  6  0  0  0  3  0  0  0  6  3  0  0  0  3  6
 0  0  0  0  0  3  0  0  0  3  6  6  6  3  3  0  6  6  0  0  0  0  3  6  3  6  3  0  0  3  6  3  6  6  6  3  3  0  0  0  3  0  0  3  6  0  0  0  3
 0  0  0  0  0  0  3  0  0  6  6  3  3  0  6  6  6  6  3  6  0  3  0  3  6  0  0  3  6  3  0  6  3  0  0  6  3  0  3  6  3  6  6  3  3  6  6  3  6
 0  0  0  0  0  0  0  3  0  6  3  6  3  6  0  6  0  6  0  6  6  3  0  0  3  0  6  6  0  0  3  0  6  3  3  3  3  0  6  3  3  3  0  6  3  0  0  6  3
 0  0  0  0  0  0  0  0  3  3  0  3  0  3  0  6  6  0  3  3  3  6  3  6  3  3  3  6  0  0  3  3  0  0  6  6  0  3  6  3  3  0  0  0  6  6  6  6  3

generates a code of length 49 over Z9 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+188x^75+470x^78+706x^81+1000x^84+1168x^87+162x^88+1600x^90+1620x^91+1880x^93+6480x^94+2110x^96+12960x^97+2306x^99+12960x^100+2308x^102+5184x^103+2024x^105+1574x^108+1070x^111+644x^114+350x^117+184x^120+56x^123+22x^126+12x^129+8x^132+2x^135

The gray image is a code over GF(3) with n=147, k=10 and d=75.
This code was found by Heurico 1.16 in 92.1 seconds.