D13231123313133313132233132312132313233313233313223313232332131   >>    D1323112331313331313223313231213231323331323331322331323233213   <<    D13231123313133313132233132312132313233313233313223313232332133   >>      D13231123313133313132233132312132313233313233313223313232332132   >>