D121213233313132233132333131313132313232233131313233313231323223313232223331   >>    D12121323331313223313233313131313231323223313131323331323132322331323222333   <<    D121213233313132233132333131313132313232233131313233313231323223313232223333   >>      D121213233313132233132333131313132313232233131313233313231323223313232223332   >>