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
 0  7  0  0  0  7  7 28  0 21  7 42 14 42  0 35 28 28 21 21 28  0
 0  0  7  0  0 35 28 35  7 28 35 35  7  7  7 21 21 42  7 14  0 21
 0  0  0  7  0 35 21 21 35 35  7 42  0 14 42 14 21  0 42 21 42 42
 0  0  0  0  7 35 42  7 42  7  7  0 14  7  7 28 42 21 14 35 28  7

generates a code of length 22 over Z49 who´s minimum homogenous weight is 105.

Homogenous weight enumerator: w(x)=1x^0+372x^105+1362x^112+1884x^119+2784x^126+100842x^132+3684x^133+4164x^140+2088x^147+468x^154

The gray image is a code over GF(7) with n=154, k=6 and d=105.
This code was found by Heurico 1.16 in 3.66 seconds.