D331311121133132313331333132333132313331323132313232233132323221312121   >>    D33131112113313231333133313233313231333132313231323223313232322131212   <<    D331311121133132313331333132333132313331323132313232233132323221312123   >>      D331311121133132313331333132333132313331323132313232233132323221312122   >>