D113132322331311331312313231323132333132322112211211113313232212121   >>    D11313232233131133131231323132313233313232211221121111331323221212   <<    D113132322331311331312313231323132333132322112211211113313232212123   >>      D113132322331311331312313231323132333132322112211211113313232212122   >>