D121213233313132233132333131313132313232233131313233313231323221323331   >>    D12121323331313223313233313131313231323223313131323331323132322132333   <<    D121213233313132233132333131313132313232233131313233313231323221323333   >>      D121213233313132233132333131313132313232233131313233313231323221323332   >>