User blog comment:Koteitan/Categorizing of the rule sets for all sub versions of bashicu matrix/@comment-11227630-20191122112930/@comment-11227630-20191124073606

What I mean is another thing. From the code of BMS calculator it seems that in a column of a'xy, if the first row entry a'x1 = 0, it'll make other axy (y>1) to 0, but the ax1 is still a'x1, not always 1.