D23131333131333131333131333132311331323132313231323223313231322121   >>    D2313133313133313133313133313231133132313231323132322331323132212   <<    D23131333131333131333131333132311331323132313231323223313231322123   >>      D23131333131333131333131333132311331323132313231323223313231322122   >>