D13231123313133313132233132312132313233313233313223313232332312331   >>    D1323112331313331313223313231213231323331323331322331323233231233   <<    D13231123313133313132233132312132313233313233313223313232332312333   >>      D13231123313133313132233132312132313233313233313223313232332312332   >>