D31321133131323331323331323123121111331323133313223313231322331321   >>    D3132113313132333132333132312312111133132313331322331323132233132   <<    D31321133131323331323331323123121111331323133313223313231322331323   >>      D31321133131323331323331323123121111331323133313223313231322331322   >>