D121212122132313231323233231323223313231323221333132333132313231231   >>    D12121212213231323132323323132322331323132322133313233313231323123   <<    D121212122132313231323233231323223313231323221333132333132313231233   >>      D121212122132313231323233231323223313231323221333132333132313231232   >>