D121212122132313231323233231323223313233313232223331323132313231   >>    D12121212213231323132323323132322331323331323222333132313231323   <<    D121212122132313231323233231323223313233313232223331323132313233   >>      D121212122132313231323233231323223313233313232223331323132313232   >>