D331322332321323331323223313231121133132313331333132322331311212121   >>    D33132233232132333132322331323112113313231333133313232233131121212   <<    D331322332321323331323223313231121133132313331333132322331311212123   >>      D331322332321323331323223313231121133132313331333132322331311212122   >>