D231123313223313132313233313131323223313232113313231312111133112111   >>    D23112331322331313231323331313132322331323211331323131211113311211   <<    D231123313223313132313233313131323223313232113313231312111133112113   >>      D231123313223313132313233313131323223313232113313231312111133112112   >>