#################################################
#################################################
###                                           ###
###   Vertex-minimal triangulation            ###
###   of                                      ###
###          RP^4                             ###
###                                           ###
###   with f-vector  f=(16,120,330,375,150)   ###
###                                           ###
#################################################
#################################################


RP^4=[[1,2,4,5,11],[1,2,4,5,14],[1,2,4,11,13],
  [1,2,4,13,14],[1,2,5,11,15],[1,2,5,14,15],
  [1,2,7,8,13],[1,2,7,8,15],[1,2,7,13,14],
  [1,2,7,14,15],[1,2,8,11,13],[1,2,8,11,15],
  [1,3,4,10,13],[1,3,4,10,16],[1,3,4,11,13],
  [1,3,4,11,16],[1,3,8,9,11],[1,3,8,9,12],
  [1,3,8,11,13],[1,3,8,12,13],[1,3,9,11,16],
  [1,3,9,12,16],[1,3,10,12,13],[1,3,10,12,16],
  [1,4,5,11,16],[1,4,5,14,16],[1,4,10,13,14],
  [1,4,10,14,16],[1,5,6,9,15],[1,5,6,9,16],
  [1,5,6,14,15],[1,5,6,14,16],[1,5,9,11,15],
  [1,5,9,11,16],[1,6,7,10,12],[1,6,7,10,14],
  [1,6,7,12,15],[1,6,7,14,15],[1,6,9,12,15],
  [1,6,9,12,16],[1,6,10,12,16],[1,6,10,14,16],
  [1,7,8,12,13],[1,7,8,12,15],[1,7,10,12,13],
  [1,7,10,13,14],[1,8,9,11,15],[1,8,9,12,15],
  [2,3,5,10,12],[2,3,5,10,15],[2,3,5,12,14],
  [2,3,5,14,15],[2,3,7,9,14],[2,3,7,9,16],
  [2,3,7,14,15],[2,3,7,15,16],[2,3,9,12,14],
  [2,3,9,12,16],[2,3,10,12,16],[2,3,10,15,16],
  [2,4,5,11,12],[2,4,5,12,14],[2,4,6,9,12],
  [2,4,6,9,13],[2,4,6,11,12],[2,4,6,11,13],
  [2,4,9,12,14],[2,4,9,13,14],[2,5,10,11,12],
  [2,5,10,11,15],[2,6,8,10,11],[2,6,8,10,16],
  [2,6,8,11,13],[2,6,8,13,16],[2,6,9,12,16],
  [2,6,9,13,16],[2,6,10,11,12],[2,6,10,12,16],
  [2,7,8,13,16],[2,7,8,15,16],[2,7,9,13,14],
  [2,7,9,13,16],[2,8,10,11,15],[2,8,10,15,16],
  [3,4,6,7,11],[3,4,6,7,15],[3,4,6,11,13],
  [3,4,6,13,15],[3,4,7,11,16],[3,4,7,15,16],
  [3,4,10,13,15],[3,4,10,15,16],[3,5,6,8,13],
  [3,5,6,8,14],[3,5,6,13,15],[3,5,6,14,15],
  [3,5,8,12,13],[3,5,8,12,14],[3,5,10,12,13],
  [3,5,10,13,15],[3,6,7,11,14],[3,6,7,14,15],
  [3,6,8,11,13],[3,6,8,11,14],[3,7,9,11,14],
  [3,7,9,11,16],[3,8,9,11,14],[3,8,9,12,14],
  [4,5,7,8,12],[4,5,7,8,16],[4,5,7,11,12],
  [4,5,7,11,16],[4,5,8,12,14],[4,5,8,14,16],
  [4,6,7,11,12],[4,6,7,12,15],[4,6,9,12,15],
  [4,6,9,13,15],[4,7,8,12,15],[4,7,8,15,16],
  [4,8,9,10,14],[4,8,9,10,15],[4,8,9,12,14],
  [4,8,9,12,15],[4,8,10,14,16],[4,8,10,15,16],
  [4,9,10,13,14],[4,9,10,13,15],[5,6,8,13,16],
  [5,6,8,14,16],[5,6,9,13,15],[5,6,9,13,16],
  [5,7,8,12,13],[5,7,8,13,16],[5,7,9,10,11],
  [5,7,9,10,13],[5,7,9,11,16],[5,7,9,13,16],
  [5,7,10,11,12],[5,7,10,12,13],[5,9,10,11,15],
  [5,9,10,13,15],[6,7,10,11,12],[6,7,10,11,14],
  [6,8,10,11,14],[6,8,10,14,16],[7,9,10,11,14],
  [7,9,10,13,14],[8,9,10,11,14],[8,9,10,11,15]]