D23112313233313223313132322331323132313132313133313231333132313331322121   >>    D2311231323331322331313232233132313231313231313331323133313231333132212   <<    D23112313233313223313132322331323132313132313133313231333132313331322123   >>      D23112313233313223313132322331323132313132313133313231333132313331322122   >>