C111123313331323113313331333133313331323133113313331333133323132323311   >>    C11112331333132311331333133313331333132313311331333133313332313232331   <<    C111123313331323113313331333133313331323133113313331333133323132323313   >>      C111123313331323113313331333133313331323133113313331333133323132323312   >>