D3313223323213233313232233132311211331323132311221123231323221121   >>    D331322332321323331323223313231121133132313231122112323132322112   <<    D3313223323213233313232233132311211331323132311221123231323221123   >>      D3313223323213233313232233132311211331323132311221123231323221122   >>