D112111123313223313112113313231133132333133313231323211331322331   >>    D11211112331322331311211331323113313233313331323132321133132233   <<    D112111123313223313112113313231133132333133313231323211331322333   >>      D112111123313223313112113313231133132333133313231323211331322332   >>