D2311231323331322331313232233132313233313231211113313231323332321   >>    D231123132333132233131323223313231323331323121111331323132333232   <<    D2311231323331322331313232233132313233313231211113313231323332323   >>      D2311231323331322331313232233132313233313231211113313231323332322   >>