C111123313331323113313331333133313331323323113313331333131231121   >>    C11112331333132311331333133313331333132332311331333133313123112   <<    C111123313331323113313331333133313331323323113313331333131231123   >>      C111123313331323113313331333133313331323323113313331333131231122   >>