D121212122132313231323233231323223313231323221333131323132313123221   >>    D12121212213231323132323323132322331323132322133313132313231312322   <<    D121212122132313231323233231323223313231323221333131323132313123223   >>      D121212122132313231323233231323223313231323221333131323132313123222   >>