The generator matrix

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

generates a code of length 99 over Z9 who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+40x^171+18x^173+134x^174+6x^175+60x^176+306x^177+168x^178+174x^179+392x^180+348x^181+480x^182+424x^183+738x^184+858x^185+432x^186+1404x^187+1758x^188+514x^189+2214x^190+2526x^191+518x^192+3162x^193+3534x^194+414x^195+3954x^196+4170x^197+412x^198+4530x^199+4218x^200+480x^201+3822x^202+3438x^203+428x^204+2706x^205+2556x^206+442x^207+1860x^208+1446x^209+390x^210+840x^211+678x^212+342x^213+354x^214+252x^215+276x^216+120x^217+48x^218+238x^219+18x^220+18x^221+138x^222+88x^225+12x^227+64x^228+46x^231+18x^234+20x^237+4x^243

The gray image is a code over GF(3) with n=297, k=10 and d=171.
This code was found by Heurico 1.16 in 95.8 seconds.