D13231123313133313132233132312132313233313232233131333131323233231   >>    D1323112331313331313223313231213231323331323223313133313132323323   <<    D13231123313133313132233132312132313233313232233131333131323233233   >>      D13231123313133313132233132312132313233313232233131333131323233232   >>