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

generates a code of length 80 over Z9 who´s minimum homogenous weight is 105.

Homogenous weight enumerator: w(x)=1x^0+50x^105+168x^108+214x^111+302x^114+396x^117+480x^120+490x^123+620x^126+612x^129+660x^132+606x^135+556x^138+18x^139+492x^141+132x^142+374x^144+384x^145+312x^147+1206x^148+336x^150+2610x^151+350x^153+4542x^154+442x^156+6414x^157+580x^159+7584x^160+748x^162+7476x^163+856x^165+5082x^166+960x^168+2610x^169+1248x^171+1044x^172+1306x^174+240x^175+1360x^177+24x^178+1312x^180+1118x^183+946x^186+712x^189+484x^192+272x^195+166x^198+86x^201+28x^204+22x^207+12x^210+2x^213+2x^219+2x^222

The gray image is a code over GF(3) with n=240, k=10 and d=105.
This code was found by Heurico 1.16 in 99.3 seconds.