The generator matrix 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X 1 X 1 1 1 1 1 1 1 1 1 X 1 1 1 1 1 1 X 1 1 1 X 1 1 1 1 1 X 1 1 X 1 1 1 1 2 1 1 1 1 1 1 1 2 1 X 1 1 1 1 0 2 0 0 0 0 0 0 0 0 0 2 0 0 2 2 0 0 0 0 2 2 2 2 0 2 2 0 2 2 0 2 2 0 2 2 2 0 2 2 0 2 0 2 0 0 2 2 0 2 2 2 2 2 0 0 2 2 2 2 0 2 0 0 2 0 2 0 0 0 2 2 2 2 2 2 0 0 0 0 0 2 0 0 0 0 2 0 0 0 0 0 0 0 0 2 2 2 2 2 0 0 0 2 2 0 0 0 0 0 0 2 2 0 2 2 0 0 2 2 2 2 2 0 0 0 0 2 2 2 0 0 0 2 2 0 2 2 2 2 2 0 2 2 0 0 0 2 0 2 0 0 2 2 0 0 0 2 0 2 2 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 0 2 2 0 2 2 0 2 0 2 2 2 2 0 2 0 2 0 0 0 2 2 2 2 0 0 2 0 2 0 0 2 2 0 2 0 2 2 2 2 2 2 0 2 2 2 2 0 0 2 2 2 2 0 0 0 2 0 2 0 0 0 0 0 2 2 2 0 0 0 2 0 0 0 0 0 0 2 0 0 0 0 0 2 0 0 2 2 2 2 2 0 2 0 0 0 0 0 2 2 0 2 2 0 2 2 0 0 2 0 0 2 0 2 2 0 0 2 2 2 0 2 0 2 2 0 0 0 0 0 0 2 0 0 0 2 2 0 2 2 0 2 0 0 2 2 2 0 2 2 0 0 0 2 0 0 0 0 0 0 0 0 2 0 0 0 2 0 0 0 2 2 0 2 0 2 2 2 0 0 2 0 2 2 2 2 2 2 2 0 2 2 0 0 0 2 2 0 0 2 0 0 2 2 2 0 2 0 0 0 0 0 0 0 2 0 2 0 0 2 2 2 2 0 0 2 2 0 0 0 0 0 2 2 2 2 2 2 2 0 0 0 0 0 0 0 0 2 0 0 2 0 0 2 0 0 2 2 2 0 2 2 0 2 2 0 0 2 0 0 0 2 2 2 2 0 0 2 0 2 0 2 0 0 0 0 2 0 0 2 2 0 2 0 2 0 2 0 2 2 2 0 2 0 2 0 2 2 2 2 2 0 0 2 0 0 0 2 0 2 0 0 2 0 0 0 0 0 0 0 0 0 2 0 2 2 2 2 0 0 0 0 0 2 2 2 2 2 0 2 2 0 2 2 2 0 0 0 0 0 2 2 2 0 2 2 2 0 2 2 2 2 0 0 0 2 2 2 2 2 0 0 0 2 2 2 2 0 0 0 2 2 2 0 0 2 2 0 0 0 2 2 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 0 0 2 2 2 0 0 0 2 0 0 0 2 0 2 0 0 2 2 2 0 0 0 2 0 2 0 2 2 0 0 2 0 2 0 2 2 2 2 2 0 2 0 0 2 2 0 0 0 2 2 0 0 2 0 2 0 2 2 2 2 0 2 0 0 2 2 2 2 0 0 0 generates a code of length 84 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 72. Homogenous weight enumerator: w(x)=1x^0+44x^72+102x^76+32x^78+165x^80+352x^82+714x^84+352x^86+123x^88+32x^90+59x^92+38x^96+17x^100+13x^104+3x^108+1x^148 The gray image is a code over GF(2) with n=336, k=11 and d=144. This code was found by Heurico 1.16 in 0.91 seconds.