D33132233232132333132322331323112113313231323222321323132313231211   >>    D3313223323213233313232233132311211331323132322232132313231323121   <<    D33132233232132333132322331323112113313231323222321323132313231213   >>      D33132233232132333132322331323112113313231323222321323132313231212   >>