D2311231323331322331313232233132322331311212111133132332333112331   >>    D231123132333132233131323223313232233131121211113313233233311233   <<    D2311231323331322331313232233132322331311212111133132332333112333   >>      D2311231323331322331313232233132322331311212111133132332333112332   >>