D31321133131323331323331323123121111331323132322132233132313331323223313231211   >>    D3132113313132333132333132312312111133132313232213223313231333132322331323121   <<    D31321133131323331323331323123121111331323132322132233132313331323223313231213   >>      D31321133131323331323331323123121111331323132322132233132313331323223313231212   >>