D23112313233313223313132322331323132313331313221323132313132311331   >>    D2311231323331322331313232233132313231333131322132313231313231133   <<    D23112313233313223313132322331323132313331313221323132313132311333   >>      D23112313233313223313132322331323132313331313221323132313132311332   >>