D23112313233313223313132322331323132333132312111133132313311211   >>    D2311231323331322331313232233132313233313231211113313231331121   <<    D23112313233313223313132322331323132333132312111133132313311213   >>      D23112313233313223313132322331323132333132312111133132313311212   >>