D3313123121113232223323132313232213231323132322331322331323233231323221   >>    D331312312111323222332313231323221323132313232233132233132323323132322   <<    D3313123121113232223323132313232213231323132322331322331323233231323223   >>      D3313123121113232223323132313232213231323132322331322331323233231323222   >>