D23112313233313223313132322331323132313132313133313231333132323321   >>    D2311231323331322331313232233132313231313231313331323133313232332   <<    D23112313233313223313132322331323132313132313133313231333132323323   >>      D23112313233313223313132322331323132313132313133313231333132323322   >>