manifold_lex_d2_n6_#1=[[1,2,3],[1,2,4],[1,3,4],[2,3,5],[2,4,5],[3,4,6],
  [3,5,6],[4,5,6]]

manifold_lex_d2_n6_#2=[[1,2,3],[1,2,4],[1,3,5],[1,4,5],[2,3,6],[2,4,6],
  [3,5,6],[4,5,6]]

manifold_lex_d2_n6_#3=[[1,2,3],[1,2,4],[1,3,5],[1,4,6],[1,5,6],[2,3,6],
  [2,4,5],[2,5,6],[3,4,5],[3,4,6]]