C111123313331323113313331333133313331323132333131133132313131121   >>    C11112331333132311331333133313331333132313233313113313231313112   <<    C111123313331323113313331333133313331323132333131133132313131123   >>      C111123313331323113313331333133313331323132333131133132313131122   >>