D33132233232132333132313111123313232233133313232233132313111231   >>    D3313223323213233313231311112331323223313331323223313231311123   <<    D33132233232132333132313111123313232233133313232233132313111233   >>      D33132233232132333132313111123313232233133313232233132313111232   >>