D33132233232132333132313111123313232233133313232233132322121221   >>    D3313223323213233313231311112331323223313331323223313232212122   <<    D33132233232132333132313111123313232233133313232233132322121223   >>      D33132233232132333132313111123313232233133313232233132322121222   >>