C111123313331323113313331333133313231333132312323132313233313223331   >>    C11112331333132311331333133313331323133313231232313231323331322333   <<    C111123313331323113313331333133313231333132312323132313233313223333   >>      C111123313331323113313331333133313231333132312323132313233313223332   >>