D121212122132313231323233231323223313231323221333132322132313231   >>    D12121212213231323132323323132322331323132322133313232213231323   <<    D121212122132313231323233231323223313231323221333132322132313233   >>      D121212122132313231323233231323223313231323221333132322132313232   >>