D112111123313223313112113313231133132333133313231323133313231322331311   >>    D11211112331322331311211331323113313233313331323132313331323132233131   <<    D112111123313223313112113313231133132333133313231323133313231322331313   >>      D112111123313223313112113313231133132333133313231323133313231322331312   >>