The generator matrix

 1  0  0  1  1  1  2  1  1  1  0  2  1  0  1  1  0  1  0  1  2  1  1  1  1  0  2  0  1  1  1  1  1  1  1  1  1  1  1  1  0  2  0  2  1  1  1  1  0  2  0  2  1  1  1  0  2  0  2  2  2  2  0  1  1  0  2  1  0  1  1  0  0  2
 0  1  0  0  1  1  1  0  2  3  1  1  3  2  2  1  1  2  0  1  1  2  0  3  3  1  1  2  0  0  0  0  2  0  2  0  1  1  1  1  1  1  1  1  3  3  1  1  1  1  1  1  2  2  2  0  0  0  0  1  0  2  1  2  0  1  0  2  0  2  0  2  1  0
 0  0  1  1  1  0  1  2  3  0  2  1  3  1  0  2  0  1  1  3  3  2  3  1  2  2  3  1  0  0  0  0  1  3  1  3  1  3  1  3  0  2  0  2  0  2  2  0  0  0  2  2  1  1  3  1  1  1  1  1  1  1  1  3  1  1  1  1  1  3  3  1  0  2
 0  0  0  2  0  0  0  0  0  0  2  2  2  2  2  2  0  2  2  2  2  0  0  0  2  2  0  0  0  2  2  2  0  0  2  2  0  2  2  0  0  0  2  2  0  2  0  2  0  2  0  2  0  2  2  0  2  0  2  2  0  0  2  0  0  2  2  2  2  2  0  2  0  2
 0  0  0  0  2  0  0  2  2  2  2  2  0  2  0  0  2  2  0  2  0  0  0  0  2  0  2  2  2  2  0  2  0  2  2  0  0  2  0  2  0  2  2  0  0  2  2  0  2  0  0  2  0  0  2  0  2  2  0  2  2  2  2  2  2  0  2  0  2  0  2  0  0  0
 0  0  0  0  0  2  0  0  0  0  0  0  0  0  0  0  2  2  2  2  2  2  2  2  2  2  2  2  2  0  2  2  0  2  0  2  0  0  2  2  2  0  2  0  0  0  2  2  0  0  2  2  2  0  2  2  2  0  0  2  2  2  0  2  2  2  0  2  0  2  0  0  0  2

generates a code of length 74 over Z4 who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+80x^68+110x^70+74x^72+46x^74+44x^76+74x^78+35x^80+10x^82+11x^84+16x^86+10x^88+1x^100

The gray image is a code over GF(2) with n=148, k=9 and d=68.
This code was found by Heurico 1.16 in 0.112 seconds.