D3313221123132313231323233231323223313231323221333132333132313311321   >>    D331322112313231323132323323132322331323132322133313233313231331132   <<    D3313221123132313231323233231323223313231323221333132333132313311323   >>      D3313221123132313231323233231323223313231323221333132333132313311322   >>