C111123313331323113313331333133313331323123231333132313232222231   >>    C11112331333132311331333133313331333132312323133313231323222223   <<    C111123313331323113313331333133313331323123231333132313232222233   >>      C111123313331323113313331333133313331323123231333132313232222232   >>