D121212122132313231323233231323223313231323221333132322331313231121   >>    D12121212213231323132323323132322331323132322133313232233131323112   <<    D121212122132313231323233231323223313231323221333132322331313231123   >>      D121212122132313231323233231323223313231323221333132322331313231122   >>