C111123313331323113313331333133313331323123231333132313331322333321   >>    C11112331333132311331333133313331333132312323133313231333132233332   <<    C111123313331323113313331333133313331323123231333132313331322333323   >>      C111123313331323113313331333133313331323123231333132313331322333322   >>