D23112313233313223313132322331323223313112211232313231323132312221   >>    D2311231323331322331313232233132322331311221123231323132313231222   <<    D23112313233313223313132322331323223313112211232313231323132312223   >>      D23112313233313223313132322331323223313112211232313231323132312222   >>