D121213233313132233132333131313132313231333131232322331323111121   >>    D12121323331313223313233313131313231323133313123232233132311112   <<    D121213233313132233132333131313132313231333131232322331323111123   >>      D121213233313132233132333131313132313231333131232322331323111122   >>