D3313221123132313231323233231323223313231323221333132313231111321   >>    D331322112313231323132323323132322331323132322133313231323111132   <<    D3313221123132313231323233231323223313231323221333132313231111323   >>      D3313221123132313231323233231323223313231323221333132313231111322   >>