D3313123121113232223323132313231323221323132322331322331323133313232213231211   >>    D331312312111323222332313231323132322132313232233132233132313331323221323121   <<    D3313123121113232223323132313231323221323132322331322331323133313232213231213   >>      D3313123121113232223323132313231323221323132322331322331323133313232213231212   >>