D231123313223313132313233313131323223313232113313233231232313231   >>    D23112331322331313231323331313132322331323211331323323123231323   <<    D231123313223313132313233313131323223313232113313233231232313233   >>      D231123313223313132313233313131323223313232113313233231232313232   >>