D12121212213231323132323323132322331323132322133313232233131121   >>    D1212121221323132313232332313232233132313232213331323223313112   <<    D12121212213231323132323323132322331323132322133313232233131123   >>      D12121212213231323132323323132322331323132322133313232233131122   >>