SoCG 2022 June 7-10, 2022, Berlin, Germany

38th International Symposium on Computational Geometry (SoCG 2022)



Xavier Goaoc and Michael Kerber (Eds.)
ISBN 978-3-95977-227-3, LIPICS Vol. 224 ISSN 1868-8969
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Authors
  • Aamand, Anders
  • Abrahamsen, Mikkel
  • Afshani, Peyman
  • Agarwal, Pankaj K.
  • Ahle, Thomas
  • Ahn, Hee-Kap
  • Ahn, Taehoon
  • Aichholzer, Oswin
  • Aronov, Boris
  • Arutyunova, Anna
  • Attali, Dominique
  • Bakke Bjerkevik, Håvard
  • Balko, Martin
  • Bandyapadhyay, Sayan
  • Banyassady, Bahareh
  • Bartal, Yair
  • Bauer, Ulrich
  • Bendich, Paul
  • Biniaz, Ahmad
  • Bjerkevik, Håvard Bakke
  • Black, Mitchell
  • Blaser, Nello
  • Bonnet, Gilles
  • Botnan, Magnus Bakke
  • Bourgeois, Julien
  • Bringmann, Karl
  • Buchin, Kevin
  • Cabello, Sergio
  • Cardona, Robert
  • Chambers, Erin
  • Chambers, Erin Wolf
  • Chaplick, Steven
  • Chartier, Jean
  • Chen, Chao
  • Cheng, Pingan
  • Chitnis, Rajesh
  • Chung, Lily
  • Conroy, Jonathan B.
  • Contessoto, Marco
  • Crombez, Loïc
  • Curry, Justin
  • Dadush, Daniel
  • da Fonseca, Guilherme D.
  • Damásdi, Gábor
  • Davies, James
  • de Berg, Mark
  • Demaine, Erik D.
  • de Mesmay, Arnaud
  • Devadoss, Satyan L.
  • Dey, Tamal K.
  • Di Giacomo, Emilio
  • Driemel, Anne
  • Dunfield, Nathan M.
  • Dvořák, Zdeněk
  • Eskenazis, Alexandros
  • Ezra, Esther
  • Fandina, Ora Nova
  • Fekete, Sándor P.
  • Fernau, Henning
  • Fillmore, Christopher
  • Fluhr, Benedikt
  • Fontan, Florian
  • Frati, Fabrizio
  • Fuladi, Niloufar
  • Ganian, Robert
  • Gao, Jie
  • García, Alfredo
  • Garg, Abhibhav
  • Gerard, Yan
  • Ghosh, Anirban
  • Glisse, Marc
  • Goaoc, Xavier
  • Gonçalves, Daniel
  • Gonzalez-Lorenzo, Aldo
  • Grelier, Nicolas
  • Grupel, Uri
  • Halperin, Dan
  • Hamm, Thekla
  • Har-Peled, Sariel
  • Harvey, Matthew S.
  • Haunert, Jan-Henrik
  • Haverkort, Herman
  • Hendrickson, Dylan
  • Hliněný, Petr
  • Hoffmann, Michael
  • Hubard, Alfredo
  • Huiberts, Sophie
  • Jungeblut, Paul
  • Kaplan, Haim
  • Katz, Matthew J.
  • Kauer, Alexander
  • Keller, Chaya
  • Kerber, Michael
  • Kim, Mincheol
  • Kim, Woojin
  • Kisfaludi‑Bak, Sándor
  • Kleist, Linda
  • Klost, Katharina
  • Knorr, Kristin
  • Kosfeld, Ramin
  • Kostitsyna, Irina
  • Kramer, Peter
  • Kumar, Neeraj
  • Künnemann, Marvin
  • Kusche, Jürgen
  • Lafourcade, Pascal
  • Lahiri, Abhiruk
  • Lam, Tung
  • Langetepe, Elmar
  • Larsen, Kasper Green
  • Lazarus, Francis
  • Le, Hung
  • Lesnick, Michael
  • Libralesso, Luc
  • Lieutier, André
  • Lipiński, Michał
  • Livshyts, Galyna
  • Lochet, William
  • Löffler, Maarten
  • Lokshtanov, Daniel
  • Luo, Victor
  • Mantas, Ioannis
  • Marx, Dániel
  • Mayer, Philip
  • Mémoli, Facundo
  • Milenković, Lazar
  • Miltzow, Tillmann
  • Momège, Benjamin
  • Mrozek, Marian
  • Mulzer, Wolfgang
  • Mutzel, Petra
  • Nayyeri, Amir
  • Nusser, André
  • Obeidin, Malik
  • Obenaus, Johannes
  • Okamoto, Yoshio
  • Oliveira, Rafael
  • Ophelders, Tim
  • Oppermann, Steffen
  • Orthaber, Joachim
  • Oudot, Steve
  • Pach, János
  • Pálvölgyi, Dömötör
  • Papadopoulou, Evanthia
  • Parsaeian, Zahra
  • Parsa, Salman
  • Patáková, Zuzana
  • Paul, Rosna
  • Pekárek, Jakub
  • Peleg, Shir
  • Perles, Micha A.
  • Piranda, Benoît
  • Pritam, Siddharth
  • Raftopoulou, Chrysanthi N.
  • Raichel, Benjamin
  • Rasmussen, Peter M. R.
  • Rieck, Christian
  • Roditty, Liam
  • Röglin, Heiko
  • Rolle, Alexander
  • Roll, Fabian
  • Rotenberg, Eva
  • Rudd, Cameron Gates
  • Rutschmann, Daniel
  • Sarkar, Rik
  • Saurabh, Nitin
  • Saurabh, Saket
  • Scheffer, Christian
  • Scheucher, Manfred
  • Schidler, André
  • Schnider, Patrick
  • Schreiber, Hannah
  • Seiferth, Paul
  • Sengupta, Akash Kumar
  • Seo, Chanyang
  • Shariful, FNU
  • Sharir, Micha
  • Sheehy, Donald R.
  • Sheth, Siddharth S.
  • Shpilka, Amir
  • Simonov, Kirill
  • Slechta, Ryan
  • Slot, Stijn
  • Smorodinsky, Shakhar
  • Solomon, Elchanan
  • Solomon, Shay
  • Sonke, Willem
  • Spalding-Jamieson, Jack
  • Stefanou, Anastasios
  • Steiner, Raphael
  • Stephenson, Elizabeth
  • Suderland, Martin
  • Suk, Andrew
  • Suri, Subhash
  • Tai, Wai Ming
  • Tallerie, Florent
  • Tan, Jane
  • Tardos, Gábor
  • Taubner, Tim
  • Tejel, Javier
  • Tkadlec, Josef
  • Tóth, Csaba D.
  • Tóth, Géza
  • Ueckerdt, Torsten
  • Vågset, Erlend Raa
  • Valtr, Pavel
  • van der Hoog, Ivor
  • Vogtenhuber, Birgit
  • Wagner, Alexander
  • Wagner, Hubert
  • Walczak, Bartosz
  • Wang, Fan
  • Wang, Haotian
  • Weinberger, Alexandra
  • Wettstein, Manuel
  • Wintraecken, Mathijs
  • Wisnosky, David
  • Wong, Sampson
  • Wulms, Jules
  • Xue, Jie
  • Yang, Everett
  • Yang, Hao-Tsung
  • Yap, Chee
  • Yuditsky, Yelena
  • Zeng, Ji
  • Zhang, Brandon
  • Zhang, Sam
  • Zheng, Da Wei
  • Zhou, Ling

  •   
    Front Matter, Table of Contents, Preface, Conference Organization
    Authors: Goaoc, Xavier ; Kerber, Michael

    Abstract | Document (552 KB) | BibTeX

    Tiling with Squares and Packing Dominos in Polynomial Time
    Authors: Aamand, Anders ; Abrahamsen, Mikkel ; Ahle, Thomas ; Rasmussen, Peter M. R.

    Abstract | Document (1,167 KB) | BibTeX

    On Cyclic Solutions to the Min-Max Latency Multi-Robot Patrolling Problem
    Authors: Afshani, Peyman ; de Berg, Mark ; Buchin, Kevin ; Gao, Jie ; Löffler, Maarten ; Nayyeri, Amir ; Raichel, Benjamin ; Sarkar, Rik ; Wang, Haotian ; Yang, Hao-Tsung

    Abstract | Document (966 KB) | BibTeX

    On Semialgebraic Range Reporting
    Authors: Afshani, Peyman ; Cheng, Pingan

    Abstract | Document (778 KB) | BibTeX

    Intersection Queries for Flat Semi-Algebraic Objects in Three Dimensions and Related Problems
    Authors: Agarwal, Pankaj K. ; Aronov, Boris ; Ezra, Esther ; Katz, Matthew J. ; Sharir, Micha

    Abstract | Document (748 KB) | BibTeX

    Twisted Ways to Find Plane Structures in Simple Drawings of Complete Graphs
    Authors: Aichholzer, Oswin ; García, Alfredo ; Tejel, Javier ; Vogtenhuber, Birgit ; Weinberger, Alexandra

    Abstract | Document (1,812 KB) | BibTeX

    Edge Partitions of Complete Geometric Graphs
    Authors: Aichholzer, Oswin ; Obenaus, Johannes ; Orthaber, Joachim ; Paul, Rosna ; Schnider, Patrick ; Steiner, Raphael ; Taubner, Tim ; Vogtenhuber, Birgit

    Abstract | Document (963 KB) | BibTeX

    Minimum-Error Triangulations for Sea Surface Reconstruction
    Authors: Arutyunova, Anna ; Driemel, Anne ; Haunert, Jan-Henrik ; Haverkort, Herman ; Kusche, Jürgen ; Langetepe, Elmar ; Mayer, Philip ; Mutzel, Petra ; Röglin, Heiko

    Abstract | Document (1,929 KB) | BibTeX

    Delaunay-Like Triangulation of Smooth Orientable Submanifolds by ?₁-Norm Minimization
    Authors: Attali, Dominique ; Lieutier, André

    Abstract | Document (833 KB) | BibTeX

    Tighter Bounds for Reconstruction from ε-Samples
    Authors: Bakke Bjerkevik, Håvard

    Abstract | Document (771 KB) | BibTeX

    Erdős-Szekeres-Type Problems in the Real Projective Plane
    Authors: Balko, Martin ; Scheucher, Manfred ; Valtr, Pavel

    Abstract | Document (903 KB) | BibTeX

    True Contraction Decomposition and Almost ETH-Tight Bipartization for Unit-Disk Graphs
    Authors: Bandyapadhyay, Sayan ; Lochet, William ; Lokshtanov, Daniel ; Saurabh, Saket ; Xue, Jie

    Abstract | Document (905 KB) | BibTeX

    Unlabeled Multi-Robot Motion Planning with Tighter Separation Bounds
    Authors: Banyassady, Bahareh ; de Berg, Mark ; Bringmann, Karl ; Buchin, Kevin ; Fernau, Henning ; Halperin, Dan ; Kostitsyna, Irina ; Okamoto, Yoshio ; Slot, Stijn

    Abstract | Document (991 KB) | BibTeX

    Optimality of the Johnson-Lindenstrauss Dimensionality Reduction for Practical Measures
    Authors: Bartal, Yair ; Fandina, Ora Nova ; Larsen, Kasper Green

    Abstract | Document (688 KB) | BibTeX

    Quasi-Universality of Reeb Graph Distances
    Authors: Bauer, Ulrich ; Bjerkevik, Håvard Bakke ; Fluhr, Benedikt

    Abstract | Document (746 KB) | BibTeX

    Gromov Hyperbolicity, Geodesic Defect, and Apparent Pairs in Vietoris-Rips Filtrations
    Authors: Bauer, Ulrich ; Roll, Fabian

    Abstract | Document (698 KB) | BibTeX

    Acute Tours in the Plane
    Authors: Biniaz, Ahmad

    Abstract | Document (751 KB) | BibTeX

    ETH-Tight Algorithms for Finding Surfaces in Simplicial Complexes of Bounded Treewidth
    Authors: Black, Mitchell ; Blaser, Nello ; Nayyeri, Amir ; Vågset, Erlend Raa

    Abstract | Document (1,293 KB) | BibTeX

    Asymptotic Bounds on the Combinatorial Diameter of Random Polytopes
    Authors: Bonnet, Gilles ; Dadush, Daniel ; Grupel, Uri ; Huiberts, Sophie ; Livshyts, Galyna

    Abstract | Document (743 KB) | BibTeX

    Signed Barcodes for Multi-Parameter Persistence via Rank Decompositions
    Authors: Botnan, Magnus Bakke ; Oppermann, Steffen ; Oudot, Steve

    Abstract | Document (3,522 KB) | BibTeX

    Dynamic Time Warping Under Translation: Approximation Guided by Space-Filling Curves
    Authors: Bringmann, Karl ; Kisfaludi‑Bak, Sándor ; Künnemann, Marvin ; Marx, Dániel ; Nusser, André

    Abstract | Document (929 KB) | BibTeX

    Towards Sub-Quadratic Diameter Computation in Geometric Intersection Graphs
    Authors: Bringmann, Karl ; Kisfaludi‑Bak, Sándor ; Künnemann, Marvin ; Nusser, André ; Parsaeian, Zahra

    Abstract | Document (854 KB) | BibTeX

    Computing Continuous Dynamic Time Warping of Time Series in Polynomial Time
    Authors: Buchin, Kevin ; Nusser, André ; Wong, Sampson

    Abstract | Document (1,285 KB) | BibTeX

    Long Plane Trees
    Authors: Cabello, Sergio ; Hoffmann, Michael ; Klost, Katharina ; Mulzer, Wolfgang ; Tkadlec, Josef

    Abstract | Document (1,207 KB) | BibTeX

    The Universal ?^p-Metric on Merge Trees
    Authors: Cardona, Robert ; Curry, Justin ; Lam, Tung ; Lesnick, Michael

    Abstract | Document (866 KB) | BibTeX

    On Complexity of Computing Bottleneck and Lexicographic Optimal Cycles in a Homology Class
    Authors: Chambers, Erin Wolf ; Parsa, Salman ; Schreiber, Hannah

    Abstract | Document (1,161 KB) | BibTeX

    Parameterized Algorithms for Upward Planarity
    Authors: Chaplick, Steven ; Di Giacomo, Emilio ; Frati, Fabrizio ; Ganian, Robert ; Raftopoulou, Chrysanthi N. ; Simonov, Kirill

    Abstract | Document (1,265 KB) | BibTeX

    Finding Weakly Simple Closed Quasigeodesics on Polyhedral Spheres
    Authors: Chartier, Jean ; de Mesmay, Arnaud

    Abstract | Document (4,424 KB) | BibTeX

    Tight Lower Bounds for Approximate & Exact k-Center in ℝ^d
    Authors: Chitnis, Rajesh ; Saurabh, Nitin

    Abstract | Document (855 KB) | BibTeX

    Flat Folding an Unassigned Single-Vertex Complex (Combinatorially Embedded Planar Graph with Specified Edge Lengths) Without Flat Angles
    Authors: Chung, Lily ; Demaine, Erik D. ; Hendrickson, Dylan ; Luo, Victor

    Abstract | Document (1,179 KB) | BibTeX

    Hop-Spanners for Geometric Intersection Graphs
    Authors: Conroy, Jonathan B. ; Tóth, Csaba D.

    Abstract | Document (941 KB) | BibTeX

    Persistent Cup-Length
    Authors: Contessoto, Marco ; Mémoli, Facundo ; Stefanou, Anastasios ; Zhou, Ling

    Abstract | Document (1,032 KB) | BibTeX

    Three-Chromatic Geometric Hypergraphs
    Authors: Damásdi, Gábor ; Pálvölgyi, Dömötör

    Abstract | Document (738 KB) | BibTeX

    A Solution to Ringel’s Circle Problem
    Authors: Davies, James ; Keller, Chaya ; Kleist, Linda ; Smorodinsky, Shakhar ; Walczak, Bartosz

    Abstract | Document (943 KB) | BibTeX

    Computing Generalized Rank Invariant for 2-Parameter Persistence Modules via Zigzag Persistence and Its Applications
    Authors: Dey, Tamal K. ; Kim, Woojin ; Mémoli, Facundo

    Abstract | Document (989 KB) | BibTeX

    Tracking Dynamical Features via Continuation and Persistence
    Authors: Dey, Tamal K. ; Lipiński, Michał ; Mrozek, Marian ; Slechta, Ryan

    Abstract | Document (1,428 KB) | BibTeX

    On the Discrete Fréchet Distance in a Graph
    Authors: Driemel, Anne ; van der Hoog, Ivor ; Rotenberg, Eva

    Abstract | Document (1,221 KB) | BibTeX

    Computing a Link Diagram from Its Exterior
    Authors: Dunfield, Nathan M. ; Obeidin, Malik ; Rudd, Cameron Gates

    Abstract | Document (3,559 KB) | BibTeX

    On Comparable Box Dimension
    Authors: Dvořák, Zdeněk ; Gonçalves, Daniel ; Lahiri, Abhiruk ; Tan, Jane ; Ueckerdt, Torsten

    Abstract | Document (645 KB) | BibTeX

    Weak Coloring Numbers of Intersection Graphs
    Authors: Dvořák, Zdeněk ; Pekárek, Jakub ; Ueckerdt, Torsten ; Yuditsky, Yelena

    Abstract | Document (914 KB) | BibTeX

    ε-Isometric Dimension Reduction for Incompressible Subsets of ?_p
    Authors: Eskenazis, Alexandros

    Abstract | Document (814 KB) | BibTeX

    Short Topological Decompositions of Non-Orientable Surfaces
    Authors: Fuladi, Niloufar ; Hubard, Alfredo ; de Mesmay, Arnaud

    Abstract | Document (4,871 KB) | BibTeX

    Robust Radical Sylvester-Gallai Theorem for Quadratics
    Authors: Garg, Abhibhav ; Oliveira, Rafael ; Sengupta, Akash Kumar

    Abstract | Document (731 KB) | BibTeX

    Robust Sylvester-Gallai Type Theorem for Quadratic Polynomials
    Authors: Peleg, Shir ; Shpilka, Amir

    Abstract | Document (720 KB) | BibTeX

    Swap, Shift and Trim to Edge Collapse a Filtration
    Authors: Glisse, Marc ; Pritam, Siddharth

    Abstract | Document (1,124 KB) | BibTeX

    Hardness and Approximation of Minimum Convex Partition
    Authors: Grelier, Nicolas

    Abstract | Document (637 KB) | BibTeX

    Parameterised Partially-Predrawn Crossing Number
    Authors: Hamm, Thekla ; Hliněný, Petr

    Abstract | Document (1,200 KB) | BibTeX

    Approximation Algorithms for Maximum Matchings in Geometric Intersection Graphs
    Authors: Har-Peled, Sariel ; Yang, Everett

    Abstract | Document (799 KB) | BibTeX

    The Complexity of the Hausdorff Distance
    Authors: Jungeblut, Paul ; Kleist, Linda ; Miltzow, Tillmann

    Abstract | Document (1,401 KB) | BibTeX

    Dynamic Connectivity in Disk Graphs
    Authors: Kaplan, Haim ; Kauer, Alexander ; Klost, Katharina ; Knorr, Kristin ; Mulzer, Wolfgang ; Roditty, Liam ; Seiferth, Paul

    Abstract | Document (1,270 KB) | BibTeX

    An (ℵ₀,k+2)-Theorem for k-Transversals
    Authors: Keller, Chaya ; Perles, Micha A.

    Abstract | Document (812 KB) | BibTeX

    Farthest-Point Voronoi Diagrams in the Presence of Rectangular Obstacles
    Authors: Kim, Mincheol ; Seo, Chanyang ; Ahn, Taehoon ; Ahn, Hee-Kap

    Abstract | Document (1,342 KB) | BibTeX

    Point Separation and Obstacle Removal by Finding and Hitting Odd Cycles
    Authors: Kumar, Neeraj ; Lokshtanov, Daniel ; Saurabh, Saket ; Suri, Subhash ; Xue, Jie

    Abstract | Document (871 KB) | BibTeX

    A Universal Triangulation for Flat Tori
    Authors: Lazarus, Francis ; Tallerie, Florent

    Abstract | Document (3,049 KB) | BibTeX

    Sparse Euclidean Spanners with Tiny Diameter: A Tight Lower Bound
    Authors: Le, Hung ; Milenković, Lazar ; Solomon, Shay

    Abstract | Document (729 KB) | BibTeX

    Minimum Height Drawings of Ordered Trees in Polynomial Time: Homotopy Height of Tree Duals
    Authors: Ophelders, Tim ; Parsa, Salman

    Abstract | Document (981 KB) | BibTeX

    Disjointness Graphs of Short Polygonal Chains
    Authors: Pach, János ; Tardos, Gábor ; Tóth, Géza

    Abstract | Document (632 KB) | BibTeX

    Covering Points by Hyperplanes and Related Problems
    Authors: Patáková, Zuzana ; Sharir, Micha

    Abstract | Document (592 KB) | BibTeX

    The Degree-Rips Complexes of an Annulus with Outliers
    Authors: Rolle, Alexander

    Abstract | Document (866 KB) | BibTeX

    Chains, Koch Chains, and Point Sets with Many Triangulations
    Authors: Rutschmann, Daniel ; Wettstein, Manuel

    Abstract | Document (697 KB) | BibTeX

    Nearly-Doubling Spaces of Persistence Diagrams
    Authors: Sheehy, Donald R. ; Sheth, Siddharth S.

    Abstract | Document (804 KB) | BibTeX

    From Geometry to Topology: Inverse Theorems for Distributed Persistence
    Authors: Solomon, Elchanan ; Wagner, Alexander ; Bendich, Paul

    Abstract | Document (1,014 KB) | BibTeX

    A Positive Fraction Erdős-Szekeres Theorem and Its Applications
    Authors: Suk, Andrew ; Zeng, Ji

    Abstract | Document (831 KB) | BibTeX

    Optimal Coreset for Gaussian Kernel Density Estimation
    Authors: Tai, Wai Ming

    Abstract | Document (731 KB) | BibTeX

    GPU Computation of the Euler Characteristic Curve for Imaging Data
    Authors: Wang, Fan ; Wagner, Hubert ; Chen, Chao

    Abstract | Document (1,131 KB) | BibTeX

    Space Ants: Episode II - Coordinating Connected Catoms (Media Exposition)
    Authors: Bourgeois, Julien ; Fekete, Sándor P. ; Kosfeld, Ramin ; Kramer, Peter ; Piranda, Benoît ; Rieck, Christian ; Scheffer, Christian

    Abstract | Document (2,524 KB) | BibTeX

    A Cautionary Tale: Burning the Medial Axis Is Unstable (Media Exposition)
    Authors: Chambers, Erin ; Fillmore, Christopher ; Stephenson, Elizabeth ; Wintraecken, Mathijs

    Abstract | Document (17,169 KB) | BibTeX

    Visualizing and Unfolding Nets of 4-Polytopes (Media Exposition)
    Authors: Devadoss, Satyan L. ; Harvey, Matthew S. ; Zhang, Sam

    Abstract | Document (861 KB) | BibTeX

    Visualizing WSPDs and Their Applications (Media Exposition)
    Authors: Ghosh, Anirban ; Shariful, FNU ; Wisnosky, David

    Abstract | Document (546 KB) | BibTeX

    Subdivision Methods for Sum-Of-Distances Problems: Fermat-Weber Point, n-Ellipses and the Min-Sum Cluster Voronoi Diagram (Media Exposition)
    Authors: Mantas, Ioannis ; Papadopoulou, Evanthia ; Suderland, Martin ; Yap, Chee

    Abstract | Document (4,167 KB) | BibTeX

    An Interactive Framework for Reconfiguration in the Sliding Square Model (Media Exposition)
    Authors: Sonke, Willem ; Wulms, Jules

    Abstract | Document (778 KB) | BibTeX

    Shadoks Approach to Minimum Partition into Plane Subgraphs (CG Challenge)
    Authors: Crombez, Loïc ; da Fonseca, Guilherme D. ; Gerard, Yan ; Gonzalez-Lorenzo, Aldo

    Abstract | Document (676 KB) | BibTeX

    Conflict-Based Local Search for Minimum Partition into Plane Subgraphs (CG Challenge)
    Authors: Spalding-Jamieson, Jack ; Zhang, Brandon ; Zheng, Da Wei

    Abstract | Document (544 KB) | BibTeX

    Local Search with Weighting Schemes for the CG:SHOP 2022 Competition (CG Challenge)
    Authors: Fontan, Florian ; Lafourcade, Pascal ; Libralesso, Luc ; Momège, Benjamin

    Abstract | Document (602 KB) | BibTeX

    SAT-Based Local Search for Plane Subgraph Partitions (CG Challenge)
    Authors: Schidler, André

    Abstract | Document (4,305 KB) | BibTeX

      




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