  !! IO Error (cannot open): res_001-equation009.inkml.bg
  !! Inserting ABSENT nodes for:
      res_001-equation009.inkml.bg vs.
      ../testDataGT/001-equation009.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '2', '3', '4', '5', '6', '7', '8', '9']
  !! IO Error (cannot open): res_001-equation009.inkml.bg
  !! Inserting ABSENT nodes for:
      res_001-equation009.inkml.bg vs.
      ../testDataGT/001-equation009.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '2', '3', '4', '5', '6', '7', '8', '9']
  !! IO Error (cannot open): res_crohme_f042-eq067.inkml.bg
  !! Inserting ABSENT nodes for:
      res_crohme_f042-eq067.inkml.bg vs.
      ../testDataGT/crohme_f042-eq067.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '2', '3', '4', '5', '6', '7', '8', '9']
  !! IO Error (cannot open): res_crohme_f042-eq067.inkml.bg
  !! Inserting ABSENT nodes for:
      res_crohme_f042-eq067.inkml.bg vs.
      ../testDataGT/crohme_f042-eq067.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '2', '3', '4', '5', '6', '7', '8', '9']
  !! IO Error (cannot open): res_formulaire043-equation067.inkml.bg
  !! Inserting ABSENT nodes for:
      res_formulaire043-equation067.inkml.bg vs.
      ../testDataGT/formulaire043-equation067.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '16', '2', '3', '4', '5', '6', '7', '8', '9']
  !! IO Error (cannot open): res_formulaire043-equation067.inkml.bg
  !! Inserting ABSENT nodes for:
      res_formulaire043-equation067.inkml.bg vs.
      ../testDataGT/formulaire043-equation067.inkml.bg
      ['0', '1', '10', '11', '12', '13', '14', '15', '16', '2', '3', '4', '5', '6', '7', '8', '9']
  !! Inserting ABSENT nodes for:
      res_formulaire057-equation036.inkml.bg vs.
      ../testDataGT/formulaire057-equation036.inkml.bg
      ['10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '5', '6', '7', '8', '9']
  !! Inserting ABSENT nodes for:
      res_formulaire057-equation036.inkml.bg vs.
      ../testDataGT/formulaire057-equation036.inkml.bg
      ['10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '5', '6', '7', '8', '9']
  !! Inserting ABSENT nodes for:
      res_KME2G3_0_sub_53.inkml.bg vs.
      ../testDataGT/KME2G3_0_sub_53.inkml.bg
      ['26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39']
  !! Inserting ABSENT nodes for:
      res_KME2G3_0_sub_53.inkml.bg vs.
      ../testDataGT/KME2G3_0_sub_53.inkml.bg
      ['26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39']
