The generator matrix

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

generates a code of length 81 over Z9 who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+684x^146+460x^147+1770x^149+1260x^150+3126x^152+1554x^153+4338x^155+2266x^156+4776x^158+2676x^159+5382x^161+2936x^162+5808x^164+2998x^165+5634x^167+2526x^168+3966x^170+1596x^171+2430x^173+876x^174+1044x^176+342x^177+324x^179+146x^180+78x^182+42x^183+6x^185+2x^189+2x^198

The gray image is a code over GF(3) with n=243, k=10 and d=146.
This code was found by Heurico 1.13 in 144 seconds.