/usr/include/palabos/multiGrid/ is in libplb-dev 1.5~r1+repack1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/palabos/multiGrid/coarseGridProcessors2D.h
/usr/include/palabos/multiGrid/coarseGridProcessors2D.hh
/usr/include/palabos/multiGrid/coarseGridProcessors3D.h
/usr/include/palabos/multiGrid/coarseGridProcessors3D.hh
/usr/include/palabos/multiGrid/defaultMultiGridPolicy2D.h
/usr/include/palabos/multiGrid/defaultMultiGridPolicy3D.h
/usr/include/palabos/multiGrid/domainDivision3D.h
/usr/include/palabos/multiGrid/dynamicsGenerators.h
/usr/include/palabos/multiGrid/fineGridProcessors2D.h
/usr/include/palabos/multiGrid/fineGridProcessors2D.hh
/usr/include/palabos/multiGrid/fineGridProcessors3D.h
/usr/include/palabos/multiGrid/fineGridProcessors3D.hh
/usr/include/palabos/multiGrid/gridConversion2D.h
/usr/include/palabos/multiGrid/gridConversion2D.hh
/usr/include/palabos/multiGrid/gridConversion3D.h
/usr/include/palabos/multiGrid/gridConversion3D.hh
/usr/include/palabos/multiGrid/gridRefinement.h
/usr/include/palabos/multiGrid/gridRefinement.hh
/usr/include/palabos/multiGrid/gridRefinementDynamics.h
/usr/include/palabos/multiGrid/gridRefinementDynamics.hh
/usr/include/palabos/multiGrid/gridRefinementProcessors3D.h
/usr/include/palabos/multiGrid/gridRefinementProcessors3D.hh
/usr/include/palabos/multiGrid/headers2D.h
/usr/include/palabos/multiGrid/headers2D.hh
/usr/include/palabos/multiGrid/headers3D.h
/usr/include/palabos/multiGrid/headers3D.hh
/usr/include/palabos/multiGrid/helperFineGridProcessors3D.h
/usr/include/palabos/multiGrid/helperFineGridProcessors3D.hh
/usr/include/palabos/multiGrid/interpolationHelper.h
/usr/include/palabos/multiGrid/interpolationHelper.hh
/usr/include/palabos/multiGrid/lineInterpolation3D.h
/usr/include/palabos/multiGrid/lineInterpolation3D.hh
/usr/include/palabos/multiGrid/multiGrid2D.h
/usr/include/palabos/multiGrid/multiGrid3D.h
/usr/include/palabos/multiGrid/multiGridDataAnalysisWrapper2D.h
/usr/include/palabos/multiGrid/multiGridDataAnalysisWrapper2D.hh
/usr/include/palabos/multiGrid/multiGridDataAnalysisWrapper3D.h
/usr/include/palabos/multiGrid/multiGridDataAnalysisWrapper3D.hh
/usr/include/palabos/multiGrid/multiGridDataField2D.h
/usr/include/palabos/multiGrid/multiGridDataField2D.hh
/usr/include/palabos/multiGrid/multiGridDataField3D.h
/usr/include/palabos/multiGrid/multiGridDataField3D.hh
/usr/include/palabos/multiGrid/multiGridDataProcessorWrapper2D.h
/usr/include/palabos/multiGrid/multiGridDataProcessorWrapper2D.hh
/usr/include/palabos/multiGrid/multiGridDataProcessorWrapper3D.h
/usr/include/palabos/multiGrid/multiGridDataProcessorWrapper3D.hh
/usr/include/palabos/multiGrid/multiGridGenerator2D.h
/usr/include/palabos/multiGrid/multiGridGenerator2D.hh
/usr/include/palabos/multiGrid/multiGridGenerator3D.h
/usr/include/palabos/multiGrid/multiGridGenerator3D.hh
/usr/include/palabos/multiGrid/multiGridLattice2D.h
/usr/include/palabos/multiGrid/multiGridLattice2D.hh
/usr/include/palabos/multiGrid/multiGridLattice3D.h
/usr/include/palabos/multiGrid/multiGridLattice3D.hh
/usr/include/palabos/multiGrid/multiGridManagement2D.h
/usr/include/palabos/multiGrid/multiGridManagement3D.h
/usr/include/palabos/multiGrid/multiGridOperations2D.h
/usr/include/palabos/multiGrid/multiGridOperations3D.h
/usr/include/palabos/multiGrid/multiGridParameterManager.h
/usr/include/palabos/multiGrid/multiGridParameterManager.hh
/usr/include/palabos/multiGrid/multiGridUtil.h
/usr/include/palabos/multiGrid/multiScale.h
/usr/include/palabos/multiGrid/parallelizer2D.h
/usr/include/palabos/multiGrid/parallelizer3D.h
/usr/include/palabos/multiGrid/svgWriter.h