D231123313223313132313233313131323223313232113313231323122111111   >>    D23112331322331313231323331313132322331323211331323132312211111   <<    D231123313223313132313233313131323223313232113313231323122111113   >>      D231123313223313132313233313131323223313232113313231323122111112   >>