The generator matrix

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

generates a code of length 74 over Z4 who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+23x^70+50x^71+41x^72+44x^73+29x^74+8x^75+5x^76+7x^78+16x^79+8x^80+4x^81+3x^82+3x^84+2x^86+6x^87+6x^88

The gray image is a code over GF(2) with n=148, k=8 and d=70.
This code was found by Heurico 1.10 in 0 seconds.