C111123313331323113313331333133313331323123231333132313331322331313111   >>    C11112331333132311331333133313331333132312323133313231333132233131311   <<    C111123313331323113313331333133313331323123231333132313331322331313113   >>      C111123313331323113313331333133313331323123231333132313331322331313112   >>