D13231123313133313132233132312132313233313232233131333131323132313232331   >>    D1323112331313331313223313231213231323331323223313133313132313231323233   <<    D13231123313133313132233132312132313233313232233131333131323132313232333   >>      D13231123313133313132233132312132313233313232233131333131323132313232332   >>