C111123313331323113313331333133313331323123231333133313132313331322232113311   >>    C11112331333132311331333133313331333132312323133313331313231333132223211331   <<    C111123313331323113313331333133313331323123231333133313132313331322232113313   >>      C111123313331323113313331333133313331323123231333133313132313331322232113312   >>