C111123313331323113313331333133313331323123231333132313311211232313332321   >>    C11112331333132311331333133313331333132312323133313231331121123231333232   <<    C111123313331323113313331333133313331323123231333132313311211232313332323   >>      C111123313331323113313331333133313331323123231333132313311211232313332322   >>