D121213233313132233132333131313132313232233131313233313231323123123221   >>    D12121323331313223313233313131313231323223313131323331323132312312322   <<    D121213233313132233132333131313132313232233131313233313231323123123223   >>      D121213233313132233132333131313132313232233131313233313231323123123222   >>