C111123313331323113313331323133313331311331311331323132322112111   >>    C11112331333132311331333132313331333131133131133132313232211211   <<    C111123313331323113313331323133313331311331311331323132322112113   >>      C111123313331323113313331323133313331311331311331323132322112112   >>