D3313221123132313231323233231323223313231323221333132322331323123111   >>    D331322112313231323132323323132322331323132322133313232233132312311   <<    D3313221123132313231323233231323223313231323221333132322331323123113   >>      D3313221123132313231323233231323223313231323221333132322331323123112   >>