D33132233232132333132313111123313232233133313231323223313231221   >>    D3313223323213233313231311112331323223313331323132322331323122   <<    D33132233232132333132313111123313232233133313231323223313231223   >>      D33132233232132333132313111123313232233133313231323223313231222   >>