China ladies wholesale custom delicate white Girls marriage flip flops rubber Beach front slippers inexpensive flip flops That is an invalid point out because the values of the two Q and Q’ are 0. They're imagined to be compliments of each other. Typically, this point out need to be avoided. http://oem-flip-flops57890.spintheblog.com/4755091/what-does-oem-flip-flops-mean