C111123313331323113313331333133313331323132311331323131323131231   >>    C11112331333132311331333133313331333132313231133132313132313123   <<    C111123313331323113313331333133313331323132311331323131323131233   >>      C111123313331323113313331333133313331323132311331323131323131232   >>