D3313123121113232223323132313232213231323132322331322331323212331   >>    D331312312111323222332313231323221323132313232233132233132321233   <<    D3313123121113232223323132313232213231323132322331322331323212333   >>      D3313123121113232223323132313232213231323132322331322331323212332   >>