C111123313331323113313331333133313331323123231333132322231323311   >>    C11112331333132311331333133313331333132312323133313232223132331   <<    C111123313331323113313331333133313331323123231333132322231323313   >>      C111123313331323113313331333133313331323123231333132322231323312   >>