length n = 74
dimension k = 7
alphabet length q = 3

minimum distance d = 44

generator matrix:
00000000000000000000000011111111111111111111111111111111111111111111111111
01111111111111111111111100000000000000111111111111111111111112222222222222
10000001111111111222222200011111112222000000000111111111122220000001112222
20112220000111112000112211200001120012111222222000112222211120011120121222
11020121222011222011121202212220201121002011222011020112222202200210112122
20101210122102020202112102121220111112012212012111012021201212201202202202
10211121212101211202202201202121100200201110200102000220212100102021000012

by truncation of 75