D3313221123132313231323233231323223313231323221333132313311232311321   >>    D331322112313231323132323323132322331323132322133313231331123231132   <<    D3313221123132313231323233231323223313231323221333132313311232311323   >>      D3313221123132313231323233231323223313231323221333132313311232311322   >>