The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1
 0  2  0  0  0  2  6  2  0  4  2  2
 0  0  2  0  2  2  2  4  0  4  6  2
 0  0  0  2  2  0  2  6  4  2  4  2
 0  0  0  0  4  0  0  4  4  4  0  0
 0  0  0  0  0  4  4  0  4  4  0  0

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

Homogenous weight enumerator: w(x)=1x^0+127x^8+224x^10+1344x^12+224x^14+127x^16+1x^24

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 0.0429 seconds.