C111123313331323113313331333133313331323132311331323223313231322321   >>    C11112331333132311331333133313331333132313231133132322331323132232   <<    C111123313331323113313331333133313331323132311331323223313231322323   >>      C111123313331323113313331333133313331323132311331323223313231322322   >>