The generator matrix

 1  0  0  0  1  1  1  6  1  1  1  1  1  1  1  3  1  1  1  1  6  6  6  1  6  1  1  1  6  1  3  1  1  1  3  1  1  1  0  1  1  6  1  1  1  1  1  1
 0  1  0  0  0  1  7  1  0  3  2  5  2  5  0  3  2  8  4  3  1  1  1  4  1  6  7  7  3  3  1  3  2  5  1  4  0  1  3  3  1  1  0  8  0  4  5  0
 0  0  1  0  1  1  5  7  7  8  0  7  1  3  8  1  7  8  5  3  1  3  0  0  8  2  3  3  1  4  1  0  3  8  0  2  8  0  1  0  5  6  5  8  7  3  7  3
 0  0  0  1  8  0  5  5  1  6  7  3  5  2  7  1  7  0  1  5  4  4  2  3  2  5  8  7  2  6  0  6  0  1  3  0  6  3  8  8  7  5  7  6  4  4  0  0
 0  0  0  0  6  0  6  6  3  0  3  0  6  6  3  3  6  3  0  3  6  6  0  6  3  3  3  6  3  6  6  6  6  0  6  3  0  3  0  0  0  0  6  3  6  6  3  3
 0  0  0  0  0  3  3  0  6  6  6  6  6  0  3  3  0  0  6  0  6  3  6  6  6  0  6  0  0  6  6  0  3  0  3  6  0  3  3  6  0  3  6  3  3  3  6  3

generates a code of length 48 over Z9 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+120x^81+156x^82+156x^83+944x^84+666x^85+678x^86+2510x^87+1032x^88+1302x^89+3810x^90+1812x^91+1998x^92+5326x^93+2322x^94+2646x^95+6384x^96+2442x^97+2784x^98+6334x^99+2340x^100+2166x^101+4488x^102+1518x^103+1104x^104+2176x^105+630x^106+234x^107+576x^108+174x^109+54x^110+106x^111+30x^112+14x^114+4x^117+8x^120+4x^123

The gray image is a code over GF(3) with n=144, k=10 and d=81.
This code was found by Heurico 1.16 in 32.9 seconds.