The generator matrix

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

generates a code of length 71 over Z4 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+45x^64+94x^65+100x^66+88x^67+70x^68+106x^69+64x^70+60x^71+72x^72+42x^73+47x^74+16x^75+36x^76+42x^77+26x^78+16x^79+22x^80+22x^81+12x^82+8x^83+6x^84+10x^85+6x^86+4x^87+4x^88+2x^89+1x^90+2x^93

The gray image is a code over GF(2) with n=142, k=10 and d=64.
This code was found by Heurico 1.10 in 0.062 seconds.