The generator matrix

 1  0  0  1  1  1  2  4  1  1  2  1
 0  1  0  1  2  7  1  0  4  2  0  0
 0  0  1  1  1  0  1  1  6  3  4  0
 0  0  0  2  0  6  4  6  2  6  2  0

generates a code of length 12 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+69x^8+146x^9+219x^10+368x^11+446x^12+372x^13+222x^14+128x^15+60x^16+10x^17+7x^18

The gray image is a code over GF(2) with n=48, k=11 and d=16.
This code was found by Heurico 1.16 in 0.012 seconds.