The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+78x^30+158x^31+422x^32+416x^33+727x^34+786x^35+1062x^36+924x^37+1143x^38+752x^39+718x^40+360x^41+327x^42+148x^43+94x^44+28x^45+27x^46+10x^47+7x^48+2x^50+2x^51

The gray image is a code over GF(2) with n=148, k=13 and d=60.
This code was found by Heurico 1.16 in 1.08 seconds.