Calculating the position of QR Code alignment patterns

Question

I need to know how to calculate the positions of the QR Code alignment patterns as defined in the table of ISO/IEC 18004:2000 Annex E.

I don\'t understand how it\'s

Answer 1

I don't know if this is a useful question to ask. It just is the way it is, and it doesn't really matter much if it were {22,24,22}. Why are you asking? My guess it that the spacing should be multiples of 4 modules.