D313211331313233313233313231231211113313231323221322331323133313223323131   >>    D31321133131323331323331323123121111331323132322132233132313331322332313   <<    D313211331313233313233313231231211113313231323221322331323133313223323133   >>      D313211331313233313233313231231211113313231323221322331323133313223323132   >>