D23112313233313223313132322331323223313112211232313231323323111   >>    D2311231323331322331313232233132322331311221123231323132332311   <<    D23112313233313223313132322331323223313112211232313231323323113   >>      D23112313233313223313132322331323223313112211232313231323323112   >>