3 ms·
In much the same way as you differentiate between "O0" and "00", or between "I1" and "11". (For example, to avoid ambiguity, a standard may prohibit the use of
by tetromino_ 10mo ago
In much the same way as you differentiate between "O0" and "00", or between "I1" and "11". (For example, to avoid ambiguity, a standard may prohibit the use of З in a position where 3 is allowed.)