D33132233232132333132322331323112113313231323222233132313311221   >>    D3313223323213233313232233132311211331323132322223313231331122   <<    D33132233232132333132322331323112113313231323222233132313311223   >>      D33132233232132333132322331323112113313231323222233132313311222   >>