D33132233232132333132322331323112113313231323222233132322121121   >>    D3313223323213233313232233132311211331323132322223313232212112   <<    D33132233232132333132322331323112113313231323222233132322121123   >>      D33132233232132333132322331323112113313231323222233132322121122   >>