D3313221123132313231323233231323223313231323221333132313233313232111   >>    D331322112313231323132323323132322331323132322133313231323331323211   <<    D3313221123132313231323233231323223313231323221333132313233313232113   >>      D3313221123132313231323233231323223313231323221333132313233313232112   >>